137792509257018 has 64 divisors (see below), whose sum is σ = 343601561806848. Its totient is φ = 35788694934720.

The previous prime is 137792509257001. The next prime is 137792509257019. The reversal of 137792509257018 is 810752905297731.

It is a Harshad number since it is a multiple of its sum of digits (66).

It is a self number, because there is not a number n which added to its sum of digits gives 137792509257018.

It is not an unprimeable number, because it can be changed into a prime (137792509257019) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4050571 + ... + 17087777.

It is an arithmetic number, because the mean of its divisors is an integer number (5368774403232).

Almost surely, 2^{137792509257018} is an apocalyptic number.

137792509257018 is an abundant number, since it is smaller than the sum of its proper divisors (205809052549830).

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

137792509257018 is a wasteful number, since it uses less digits than its factorization.

137792509257018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13060107.

The product of its (nonzero) digits is 66679200, while the sum is 66.

The spelling of 137792509257018 in words is "one hundred thirty-seven trillion, seven hundred ninety-two billion, five hundred nine million, two hundred fifty-seven thousand, eighteen".