1372135755 has 16 divisors (see below), whose sum is σ = 2196440064. Its totient is φ = 731464800.

The previous prime is 1372135747. The next prime is 1372135759. The reversal of 1372135755 is 5575312731.

It is not a de Polignac number, because 1372135755 - 2³ = 1372135747 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1372135759) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 13830 + ... + 54180.

It is an arithmetic number, because the mean of its divisors is an integer number (137277504).

Almost surely, 2^1372135755 is an apocalyptic number.

1372135755 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1372135755 is a deficient number, since it is larger than the sum of its proper divisors (824304309).

1372135755 is a wasteful number, since it uses less digits than its factorization.

1372135755 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42626.

The product of its digits is 110250, while the sum is 39.

The square root of 1372135755 is about 37042.3508298272. The cubic root of 1372135755 is about 1111.2173844258.

The spelling of 1372135755 in words is "one billion, three hundred seventy-two million, one hundred thirty-five thousand, seven hundred fifty-five".