137038692709 has 4 divisors (see below), whose sum is σ = 137086163104. Its totient is φ = 136991222316.

The previous prime is 137038692701. The next prime is 137038692719. The reversal of 137038692709 is 907296830731.

It is a happy number.

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 137038692709 - 2³ = 137038692701 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 137038692709.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (137038692701) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23730867 + ... + 23736640.

It is an arithmetic number, because the mean of its divisors is an integer number (34271540776).

Almost surely, 2^137038692709 is an apocalyptic number.

It is an amenable number.

137038692709 is a deficient number, since it is larger than the sum of its proper divisors (47470395).

137038692709 is an equidigital number, since it uses as much as digits as its factorization.

137038692709 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47470394.

The product of its (nonzero) digits is 3429216, while the sum is 55.

The spelling of 137038692709 in words is "one hundred thirty-seven billion, thirty-eight million, six hundred ninety-two thousand, seven hundred nine".