136433231840 has 48 divisors (see below), whose sum is σ = 329181475392. Its totient is φ = 53412155904.

The previous prime is 136433231839. The next prime is 136433231861. The reversal of 136433231840 is 48132334631.

It is a super-2 number, since 2×136433231840² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 136433231794 and 136433231803.

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, 9063839 + ... + 9078878.

It is an arithmetic number, because the mean of its divisors is an integer number (6857947404).

Almost surely, 2^136433231840 is an apocalyptic number.

136433231840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

136433231840 is an abundant number, since it is smaller than the sum of its proper divisors (192748243552).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

136433231840 is a wasteful number, since it uses less digits than its factorization.

136433231840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18142779 (or 18142771 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 38.

The spelling of 136433231840 in words is "one hundred thirty-six billion, four hundred thirty-three million, two hundred thirty-one thousand, eight hundred forty".