137260207 has 4 divisors (see below), whose sum is σ = 156868816. Its totient is φ = 117651600.

The previous prime is 137260127. The next prime is 137260217. The reversal of 137260207 is 702062731.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 702062731 = 127 ⋅5528053.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-137260207 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 (137260217) 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, 9804294 + ... + 9804307.

It is an arithmetic number, because the mean of its divisors is an integer number (39217204).

Almost surely, 2^137260207 is an apocalyptic number.

137260207 is a deficient number, since it is larger than the sum of its proper divisors (19608609).

137260207 is an equidigital number, since it uses as much as digits as its factorization.

137260207 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19608608.

The product of its (nonzero) digits is 3528, while the sum is 28.

The square root of 137260207 is about 11715.8101299057. The cubic root of 137260207 is about 515.8398424790.

The spelling of 137260207 in words is "one hundred thirty-seven million, two hundred sixty thousand, two hundred seven".