137806507793 has 8 divisors (see below), whose sum is σ = 139528161696. Its totient is φ = 136086314400.

The previous prime is 137806507763. The next prime is 137806507823. The reversal of 137806507793 is 397705608731.

It is an interprime number because it is at equal distance from previous prime (137806507763) and next prime (137806507823).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 137806507793 - 2²⁰ = 137805459217 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (137806507753) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 174623 + ... + 553268.

It is an arithmetic number, because the mean of its divisors is an integer number (17441020212).

Almost surely, 2^137806507793 is an apocalyptic number.

It is an amenable number.

137806507793 is a deficient number, since it is larger than the sum of its proper divisors (1721653903).

137806507793 is an equidigital number, since it uses as much as digits as its factorization.

137806507793 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 730255.

The product of its (nonzero) digits is 6667920, while the sum is 56.

The spelling of 137806507793 in words is "one hundred thirty-seven billion, eight hundred six million, five hundred seven thousand, seven hundred ninety-three".