1377133264 has 20 divisors (see below), whose sum is σ = 2873441956. Its totient is φ = 635599872.

The previous prime is 1377133231. The next prime is 1377133301. The reversal of 1377133264 is 4623317731.

It can be written as a sum of positive squares in 2 ways, for example, as 194323600 + 1182809664 = 13940^2 + 34392^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3310209 + ... + 3310624.

Almost surely, 2^1377133264 is an apocalyptic number.

It is an amenable number.

1377133264 is an abundant number, since it is smaller than the sum of its proper divisors (1496308692).

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

1377133264 is a wasteful number, since it uses less digits than its factorization.

1377133264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6620854 (or 6620848 counting only the distinct ones).

The product of its digits is 63504, while the sum is 37.

The square root of 1377133264 is about 37109.7462130907. The cubic root of 1377133264 is about 1112.5648192507.

The spelling of 1377133264 in words is "one billion, three hundred seventy-seven million, one hundred thirty-three thousand, two hundred sixty-four".