136838257415 has 8 divisors (see below), whose sum is σ = 164306844240. Its totient is φ = 109403315712.

The previous prime is 136838257379. The next prime is 136838257459. The reversal of 136838257415 is 514752838631.

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

It is a cyclic number.

It is not a de Polignac number, because 136838257415 - 2⁸ = 136838257159 is a prime.

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, 8402330 + ... + 8418599.

It is an arithmetic number, because the mean of its divisors is an integer number (20538355530).

Almost surely, 2^136838257415 is an apocalyptic number.

136838257415 is a deficient number, since it is larger than the sum of its proper divisors (27468586825).

136838257415 is a wasteful number, since it uses less digits than its factorization.

136838257415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16822561.

The product of its digits is 4838400, while the sum is 53.

The spelling of 136838257415 in words is "one hundred thirty-six billion, eight hundred thirty-eight million, two hundred fifty-seven thousand, four hundred fifteen".