136400404350 has 96 divisors (see below), whose sum is σ = 406945025280. Its totient is φ = 29536323840.

The previous prime is 136400404337. The next prime is 136400404367. The reversal of 136400404350 is 53404004631.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3398607 + ... + 3438506.

It is an arithmetic number, because the mean of its divisors is an integer number (4239010680).

Almost surely, 2^136400404350 is an apocalyptic number.

136400404350 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

136400404350 is an abundant number, since it is smaller than the sum of its proper divisors (270544620930).

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

136400404350 is a wasteful number, since it uses less digits than its factorization.

136400404350 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6837154 (or 6837149 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 30.

Adding to 136400404350 its reverse (53404004631), we get a palindrome (189804408981).

The spelling of 136400404350 in words is "one hundred thirty-six billion, four hundred million, four hundred four thousand, three hundred fifty".