1377132757 has 16 divisors (see below), whose sum is σ = 1849018752. Its totient is φ = 990544320.

The previous prime is 1377132727. The next prime is 1377132769. The reversal of 1377132757 is 7572317731.

It is a cyclic number.

It is not a de Polignac number, because 1377132757 - 2¹¹ = 1377130709 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1377132727) 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, 686878 + ... + 688879.

It is an arithmetic number, because the mean of its divisors is an integer number (115563672).

Almost surely, 2^1377132757 is an apocalyptic number.

It is an amenable number.

1377132757 is a deficient number, since it is larger than the sum of its proper divisors (471885995).

1377132757 is a wasteful number, since it uses less digits than its factorization.

1377132757 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1375788.

The product of its digits is 216090, while the sum is 43.

The square root of 1377132757 is about 37109.7393820005. The cubic root of 1377132757 is about 1112.5646827181.

The spelling of 1377132757 in words is "one billion, three hundred seventy-seven million, one hundred thirty-two thousand, seven hundred fifty-seven".