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139179741 = 3132734961
BaseRepresentation
bin10000100101110…
…11011011011101
3100200220001201020
420102323123131
5241112222431
621451034353
73310002561
oct1022733335
9320801636
10139179741
1171621888
123a73b9b9
1322ab0b9c
14146ad6a1
15c343696
hex84bb6dd

139179741 has 8 divisors (see below), whose sum is σ = 185718144. Its totient is φ = 92713920.

The previous prime is 139179709. The next prime is 139179743. The reversal of 139179741 is 147971931.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 139179741 - 25 = 139179709 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 139179693 and 139179702.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139179743) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13500 + ... + 21461.

It is an arithmetic number, because the mean of its divisors is an integer number (23214768).

Almost surely, 2139179741 is an apocalyptic number.

It is an amenable number.

139179741 is a deficient number, since it is larger than the sum of its proper divisors (46538403).

139179741 is a wasteful number, since it uses less digits than its factorization.

139179741 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36291.

The product of its digits is 47628, while the sum is 42.

The square root of 139179741 is about 11797.4463762291. The cubic root of 139179741 is about 518.2333303305.

The spelling of 139179741 in words is "one hundred thirty-nine million, one hundred seventy-nine thousand, seven hundred forty-one".

Divisors: 1 3 1327 3981 34961 104883 46393247 139179741