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139144916147 = 1271095629261
BaseRepresentation
bin1000000110010110101…
…1101110110010110011
3111022011020201010012212
42001211223232302303
54234432044304042
6143531114242335
713024066162316
oct2014553566263
9438136633185
10139144916147
115401374aa76
1222b734263ab
1310176693a13
146a3dc4497d
153945b18482
hex2065aeecb3

139144916147 has 4 divisors (see below), whose sum is σ = 140240545536. Its totient is φ = 138049286760.

The previous prime is 139144916129. The next prime is 139144916177. The reversal of 139144916147 is 741619441931.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 741619441931 = 3372200651163.

It is a cyclic number.

It is not a de Polignac number, because 139144916147 - 28 = 139144915891 is a prime.

It is a super-2 number, since 2×1391449161472 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 139144916095 and 139144916104.

It is not an unprimeable number, because it can be changed into a prime (139144916117) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 547814504 + ... + 547814757.

It is an arithmetic number, because the mean of its divisors is an integer number (35060136384).

Almost surely, 2139144916147 is an apocalyptic number.

139144916147 is a deficient number, since it is larger than the sum of its proper divisors (1095629389).

139144916147 is a wasteful number, since it uses less digits than its factorization.

139144916147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1095629388.

The product of its digits is 653184, while the sum is 50.

The spelling of 139144916147 in words is "one hundred thirty-nine billion, one hundred forty-four million, nine hundred sixteen thousand, one hundred forty-seven".

Divisors: 1 127 1095629261 139144916147