136842505793 has 24 divisors (see below), whose sum is σ = 165577430592. Its totient is φ = 110769044832.

The previous prime is 136842505747. The next prime is 136842505837. The reversal of 136842505793 is 397505248631.

It is a happy number.

It is not a de Polignac number, because 136842505793 - 2³⁶ = 68123029057 is a prime.

It is a hoax number, since the sum of its digits (53) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (136842505733) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 715646 + ... + 886472.

It is an arithmetic number, because the mean of its divisors is an integer number (6899059608).

It is a 1-persistent number, because it is pandigital, but 2⋅136842505793 = 273685011586 is not.

Almost surely, 2^136842505793 is an apocalyptic number.

It is an amenable number.

136842505793 is a deficient number, since it is larger than the sum of its proper divisors (28734924799).

136842505793 is a wasteful number, since it uses less digits than its factorization.

136842505793 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171189 (or 171170 counting only the distinct ones).

The product of its (nonzero) digits is 5443200, while the sum is 53.

The spelling of 136842505793 in words is "one hundred thirty-six billion, eight hundred forty-two million, five hundred five thousand, seven hundred ninety-three".