136731570 has 16 divisors (see below), whose sum is σ = 328155840. Its totient is φ = 36461744.

The previous prime is 136731559. The next prime is 136731583. The reversal of 136731570 is 75137631.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2278830 + ... + 2278889.

It is an arithmetic number, because the mean of its divisors is an integer number (20509740).

Almost surely, 2^136731570 is an apocalyptic number.

136731570 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

136731570 is an abundant number, since it is smaller than the sum of its proper divisors (191424270).

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

136731570 is a wasteful number, since it uses less digits than its factorization.

136731570 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4557729.

The product of its (nonzero) digits is 13230, while the sum is 33.

The square root of 136731570 is about 11693.2275270774. The cubic root of 136731570 is about 515.1767640307.

The spelling of 136731570 in words is "one hundred thirty-six million, seven hundred thirty-one thousand, five hundred seventy".