137020707 has 8 divisors (see below), whose sum is σ = 202993680. Its totient is φ = 91347120.

The previous prime is 137020643. The next prime is 137020717. The reversal of 137020707 is 707020731.

It is not a de Polignac number, because 137020707 - 2⁶ = 137020643 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 5074841 = 137020707 / (1 + 3 + 7 + 0 + 2 + 0 + 7 + 0 + 7).

It is not an unprimeable number, because it can be changed into a prime (137020717) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2537394 + ... + 2537447.

It is an arithmetic number, because the mean of its divisors is an integer number (25374210).

Almost surely, 2^137020707 is an apocalyptic number.

137020707 is a deficient number, since it is larger than the sum of its proper divisors (65972973).

137020707 is an equidigital number, since it uses as much as digits as its factorization.

137020707 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5074850 (or 5074844 counting only the distinct ones).

The product of its (nonzero) digits is 2058, while the sum is 27.

The square root of 137020707 is about 11705.5844364987. The cubic root of 137020707 is about 515.5396448465.

The spelling of 137020707 in words is "one hundred thirty-seven million, twenty thousand, seven hundred seven".