136385387831254 has 16 divisors (see below), whose sum is σ = 209612244959568. Its totient is φ = 66518829411552.

The previous prime is 136385387831153. The next prime is 136385387831261. The reversal of 136385387831254 is 452138783583631.

It is a super-4 number, since 4×136385387831254⁴ (a number of 58 digits) contains 4444 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 136385387831254.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1047409537 + ... + 1047539740.

It is an arithmetic number, because the mean of its divisors is an integer number (13100765309973).

Almost surely, 2^{136385387831254} is an apocalyptic number.

136385387831254 is a deficient number, since it is larger than the sum of its proper divisors (73226857128314).

136385387831254 is a wasteful number, since it uses less digits than its factorization.

136385387831254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2094950079.

The product of its digits is 348364800, while the sum is 67.

The spelling of 136385387831254 in words is "one hundred thirty-six trillion, three hundred eighty-five billion, three hundred eighty-seven million, eight hundred thirty-one thousand, two hundred fifty-four".