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BaseRepresentation
bin10000101001000…
…10010000000101
3100201200110102202
420110202100011
5241214212101
621504044245
73313405466
oct1024422005
9321613382
10139600901
117188a250
123a903685
1322bca7ab
141477cd6d
15c3c836b
hex8522405

139600901 has 4 divisors (see below), whose sum is σ = 152291904. Its totient is φ = 126909900.

The previous prime is 139600883. The next prime is 139600907. The reversal of 139600901 is 109006931.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 139600901 - 26 = 139600837 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139600907) 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, 6345485 + ... + 6345506.

It is an arithmetic number, because the mean of its divisors is an integer number (38072976).

Almost surely, 2139600901 is an apocalyptic number.

139600901 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

139600901 is a deficient number, since it is larger than the sum of its proper divisors (12691003).

139600901 is a wasteful number, since it uses less digits than its factorization.

139600901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12691002.

The product of its (nonzero) digits is 1458, while the sum is 29.

The square root of 139600901 is about 11815.2825188397. The cubic root of 139600901 is about 518.7555312518.

The spelling of 139600901 in words is "one hundred thirty-nine million, six hundred thousand, nine hundred one".

Divisors: 1 11 12690991 139600901