135790123579 has 16 divisors (see below), whose sum is σ = 148893229440. Its totient is φ = 122814221760.

The previous prime is 135790123549. The next prime is 135790123589. The reversal of 135790123579 is 975321097531.

It is a cyclic number.

It is not a de Polignac number, because 135790123579 - 2²³ = 135781734971 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (135790123519) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3624487 + ... + 3661759.

It is an arithmetic number, because the mean of its divisors is an integer number (9305826840).

Almost surely, 2^135790123579 is an apocalyptic number.

135790123579 is a deficient number, since it is larger than the sum of its proper divisors (13103105861).

135790123579 is a wasteful number, since it uses less digits than its factorization.

135790123579 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38970.

The product of its (nonzero) digits is 1786050, while the sum is 52.

The spelling of 135790123579 in words is "one hundred thirty-five billion, seven hundred ninety million, one hundred twenty-three thousand, five hundred seventy-nine".