1377253136 has 40 divisors (see below), whose sum is σ = 3088254720. Its totient is φ = 582776064.

The previous prime is 1377253121. The next prime is 1377253169. The reversal of 1377253136 is 6313527731.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 1377253136.

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, 68981 + ... + 86676.

It is an arithmetic number, because the mean of its divisors is an integer number (77206368).

Almost surely, 2^1377253136 is an apocalyptic number.

1377253136 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1377253136 is an abundant number, since it is smaller than the sum of its proper divisors (1711001584).

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

1377253136 is a wasteful number, since it uses less digits than its factorization.

1377253136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155751 (or 155745 counting only the distinct ones).

The product of its digits is 79380, while the sum is 38.

The square root of 1377253136 is about 37111.3612792633. The cubic root of 1377253136 is about 1112.5970992302.

The spelling of 1377253136 in words is "one billion, three hundred seventy-seven million, two hundred fifty-three thousand, one hundred thirty-six".