136388867390 has 8 divisors (see below), whose sum is σ = 245499961320. Its totient is φ = 54555546952.

The previous prime is 136388867389. The next prime is 136388867413. The reversal of 136388867390 is 93768883631.

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

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6819443360 + ... + 6819443379.

It is an arithmetic number, because the mean of its divisors is an integer number (30687495165).

Almost surely, 2^136388867390 is an apocalyptic number.

136388867390 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

136388867390 is a deficient number, since it is larger than the sum of its proper divisors (109111093930).

136388867390 is a wasteful number, since it uses less digits than its factorization.

136388867390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13638886746.

The product of its (nonzero) digits is 31352832, while the sum is 62.

The spelling of 136388867390 in words is "one hundred thirty-six billion, three hundred eighty-eight million, eight hundred sixty-seven thousand, three hundred ninety".