1377740133 has 48 divisors (see below), whose sum is σ = 2486016000. Its totient is φ = 714299040.

The previous prime is 1377740123. The next prime is 1377740153. The reversal of 1377740133 is 3310477731.

It is a happy number.

It is not a de Polignac number, because 1377740133 - 2²⁴ = 1360962917 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1377740123) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 413448 + ... + 416766.

It is an arithmetic number, because the mean of its divisors is an integer number (51792000).

Almost surely, 2^1377740133 is an apocalyptic number.

It is an amenable number.

1377740133 is a deficient number, since it is larger than the sum of its proper divisors (1108275867).

1377740133 is a wasteful number, since it uses less digits than its factorization.

1377740133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3942 (or 3939 counting only the distinct ones).

The product of its (nonzero) digits is 37044, while the sum is 36.

The square root of 1377740133 is about 37117.9219919435. The cubic root of 1377740133 is about 1112.7282219662.

The spelling of 1377740133 in words is "one billion, three hundred seventy-seven million, seven hundred forty thousand, one hundred thirty-three".