1377506364 has 48 divisors (see below), whose sum is σ = 3469590432. Its totient is φ = 422848512.

The previous prime is 1377506353. The next prime is 1377506369. The reversal of 1377506364 is 4636057731.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1377506369) 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, 57352 + ... + 77744.

It is an arithmetic number, because the mean of its divisors is an integer number (72283134).

Almost surely, 2^1377506364 is an apocalyptic number.

It is an amenable number.

1377506364 is an abundant number, since it is smaller than the sum of its proper divisors (2092084068).

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

1377506364 is a wasteful number, since it uses less digits than its factorization.

1377506364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20846 (or 20844 counting only the distinct ones).

The product of its (nonzero) digits is 317520, while the sum is 42.

The square root of 1377506364 is about 37114.7728539459. The cubic root of 1377506364 is about 1112.6652840988.

The spelling of 1377506364 in words is "one billion, three hundred seventy-seven million, five hundred six thousand, three hundred sixty-four".