136251642535 has 16 divisors (see below), whose sum is σ = 166811185152. Its totient is φ = 106812208800.

The previous prime is 136251642523. The next prime is 136251642563. The reversal of 136251642535 is 535246152631.

It is not a de Polignac number, because 136251642535 - 2¹⁹ = 136251118247 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 136251642491 and 136251642500.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1000731 + ... + 1128700.

It is an arithmetic number, because the mean of its divisors is an integer number (10425699072).

Almost surely, 2^136251642535 is an apocalyptic number.

136251642535 is a deficient number, since it is larger than the sum of its proper divisors (30559542617).

136251642535 is a wasteful number, since it uses less digits than its factorization.

136251642535 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2129694.

The product of its digits is 648000, while the sum is 43.

The spelling of 136251642535 in words is "one hundred thirty-six billion, two hundred fifty-one million, six hundred forty-two thousand, five hundred thirty-five".