139100613 has 24 divisors (see below), whose sum is σ = 199495968. Its totient is φ = 86182656.

The previous prime is 139100609. The next prime is 139100641. The reversal of 139100613 is 316001931.

It is not a de Polignac number, because 139100613 - 2² = 139100609 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139100693) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 70995 + ... + 72927.

It is an arithmetic number, because the mean of its divisors is an integer number (8312332).

Almost surely, 2^139100613 is an apocalyptic number.

It is an amenable number.

139100613 is a deficient number, since it is larger than the sum of its proper divisors (60395355).

139100613 is a wasteful number, since it uses less digits than its factorization.

139100613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2053 (or 2036 counting only the distinct ones).

The product of its (nonzero) digits is 486, while the sum is 24.

The square root of 139100613 is about 11794.0922923301. The cubic root of 139100613 is about 518.1351011382.

The spelling of 139100613 in words is "one hundred thirty-nine million, one hundred thousand, six hundred thirteen".