1377465738 has 16 divisors (see below), whose sum is σ = 3005379936. Its totient is φ = 417413840.

The previous prime is 1377465731. The next prime is 1377465767. The reversal of 1377465738 is 8375647731.

It is not an unprimeable number, because it can be changed into a prime (1377465731) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10435281 + ... + 10435412.

It is an arithmetic number, because the mean of its divisors is an integer number (187836246).

Almost surely, 2^1377465738 is an apocalyptic number.

1377465738 is an abundant number, since it is smaller than the sum of its proper divisors (1627914198).

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

1377465738 is a wasteful number, since it uses less digits than its factorization.

1377465738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20870709.

The product of its digits is 2963520, while the sum is 51.

The square root of 1377465738 is about 37114.2255476253. The cubic root of 1377465738 is about 1112.6543455930.

The spelling of 1377465738 in words is "one billion, three hundred seventy-seven million, four hundred sixty-five thousand, seven hundred thirty-eight".