136839491188435 has 24 divisors (see below), whose sum is σ = 191018007639360. Its totient is φ = 93832180654464.

The previous prime is 136839491188409. The next prime is 136839491188459. The reversal of 136839491188435 is 534881194938631.

It is not a de Polignac number, because 136839491188435 - 2¹⁵ = 136839491155667 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 37456902 + ... + 40947508.

It is an arithmetic number, because the mean of its divisors is an integer number (7959083651640).

Almost surely, 2^{136839491188435} is an apocalyptic number.

136839491188435 is a deficient number, since it is larger than the sum of its proper divisors (54178516450925).

136839491188435 is a wasteful number, since it uses less digits than its factorization.

136839491188435 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3650635 (or 3650628 counting only the distinct ones).

The product of its digits is 537477120, while the sum is 73.

The spelling of 136839491188435 in words is "one hundred thirty-six trillion, eight hundred thirty-nine billion, four hundred ninety-one million, one hundred eighty-eight thousand, four hundred thirty-five".