136867400329 has 8 divisors (see below), whose sum is σ = 149685991488. Its totient is φ = 124111492560.

The previous prime is 136867400323. The next prime is 136867400363. The reversal of 136867400329 is 923004768631.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 136867400329 - 2³ = 136867400321 is a prime.

It is not an unprimeable number, because it can be changed into a prime (136867400321) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15666277 + ... + 15675010.

It is an arithmetic number, because the mean of its divisors is an integer number (18710748936).

Almost surely, 2^136867400329 is an apocalyptic number.

It is an amenable number.

136867400329 is a deficient number, since it is larger than the sum of its proper divisors (12818591159).

136867400329 is a wasteful number, since it uses less digits than its factorization.

136867400329 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31341695.

The product of its (nonzero) digits is 1306368, while the sum is 49.

The spelling of 136867400329 in words is "one hundred thirty-six billion, eight hundred sixty-seven million, four hundred thousand, three hundred twenty-nine".