136993434031 has 4 divisors (see below), whose sum is σ = 136994579064. Its totient is φ = 136992289000.

The previous prime is 136993433999. The next prime is 136993434059. The reversal of 136993434031 is 130434399631.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 136993434031 - 2⁵ = 136993433999 is a prime.

It is a super-2 number, since 2×136993434031² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136993434091) 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, 368920 + ... + 640381.

It is an arithmetic number, because the mean of its divisors is an integer number (34248644766).

Almost surely, 2^136993434031 is an apocalyptic number.

136993434031 is a deficient number, since it is larger than the sum of its proper divisors (1145033).

136993434031 is a wasteful number, since it uses less digits than its factorization.

136993434031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1145032.

The product of its (nonzero) digits is 629856, while the sum is 46.

The spelling of 136993434031 in words is "one hundred thirty-six billion, nine hundred ninety-three million, four hundred thirty-four thousand, thirty-one".