136720570 has 16 divisors (see below), whose sum is σ = 281253888. Its totient is φ = 46875600.

The previous prime is 136720567. The next prime is 136720583. The reversal of 136720570 is 75027631.

It is a super-2 number, since 2×136720570² = 37385028522249800, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 976506 + ... + 976645.

It is an arithmetic number, because the mean of its divisors is an integer number (17578368).

Almost surely, 2^136720570 is an apocalyptic number.

136720570 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

136720570 is an abundant number, since it is smaller than the sum of its proper divisors (144533318).

136720570 is a wasteful number, since it uses less digits than its factorization.

136720570 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1953165.

The product of its (nonzero) digits is 8820, while the sum is 31.

The square root of 136720570 is about 11692.7571598832. The cubic root of 136720570 is about 515.1629484055.

The spelling of 136720570 in words is "one hundred thirty-six million, seven hundred twenty thousand, five hundred seventy".