137102739 has 16 divisors (see below), whose sum is σ = 199802880. Its totient is φ = 83249280.

The previous prime is 137102717. The next prime is 137102821. The reversal of 137102739 is 937201731.

It is a happy number.

It is not a de Polignac number, because 137102739 - 2¹⁶ = 137037203 is a prime.

It is a super-2 number, since 2×137102739² = 37594322082604242, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (137102939) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41779 + ... + 44940.

It is an arithmetic number, because the mean of its divisors is an integer number (12487680).

Almost surely, 2^137102739 is an apocalyptic number.

137102739 is a deficient number, since it is larger than the sum of its proper divisors (62700141).

137102739 is a wasteful number, since it uses less digits than its factorization.

137102739 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86770.

The product of its (nonzero) digits is 7938, while the sum is 33.

The square root of 137102739 is about 11709.0878807873. The cubic root of 137102739 is about 515.6425059695.

The spelling of 137102739 in words is "one hundred thirty-seven million, one hundred two thousand, seven hundred thirty-nine".