136431213612038 has 16 divisors (see below), whose sum is σ = 204805939331616. Its totient is φ = 68162578608960.

The previous prime is 136431213612017. The next prime is 136431213612097. The reversal of 136431213612038 is 830216312134631.

It is a super-2 number, since 2×136431213612038² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 136431213612038.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21033170 + ... + 26744282.

It is an arithmetic number, because the mean of its divisors is an integer number (12800371208226).

Almost surely, 2^{136431213612038} is an apocalyptic number.

136431213612038 is a deficient number, since it is larger than the sum of its proper divisors (68374725719578).

136431213612038 is a wasteful number, since it uses less digits than its factorization.

136431213612038 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5720399.

The product of its (nonzero) digits is 373248, while the sum is 44.

Adding to 136431213612038 its reverse (830216312134631), we get a palindrome (966647525746669).

The spelling of 136431213612038 in words is "one hundred thirty-six trillion, four hundred thirty-one billion, two hundred thirteen million, six hundred twelve thousand, thirty-eight".