1401157377 has 12 divisors (see below), whose sum is σ = 2026202724. Its totient is φ = 933039360.

The previous prime is 1401157361. The next prime is 1401157393. The reversal of 1401157377 is 7737511041.

1401157377 is a `hidden beast` number, since 1 + 4 + 0 + 11 + 573 + 77 = 666.

It is an interprime number because it is at equal distance from previous prime (1401157361) and next prime (1401157393).

It can be written as a sum of positive squares in 2 ways, for example, as 290668401 + 1110488976 = 17049^2 + 33324^2 .

It is not a de Polignac number, because 1401157377 - 2⁴ = 1401157361 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1401157397) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 80428 + ... + 96285.

It is an arithmetic number, because the mean of its divisors is an integer number (168850227).

Almost surely, 2^1401157377 is an apocalyptic number.

It is an amenable number.

1401157377 is a deficient number, since it is larger than the sum of its proper divisors (625045347).

1401157377 is a wasteful number, since it uses less digits than its factorization.

1401157377 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177600 (or 177597 counting only the distinct ones).

The product of its (nonzero) digits is 20580, while the sum is 36.

The square root of 1401157377 is about 37432.0367733309. The cubic root of 1401157377 is about 1118.9971297547.

The spelling of 1401157377 in words is "one billion, four hundred one million, one hundred fifty-seven thousand, three hundred seventy-seven".