1377656148 has 36 divisors (see below), whose sum is σ = 3533331200. Its totient is φ = 417471120.

The previous prime is 1377656143. The next prime is 1377656167. The reversal of 1377656148 is 8416567731.

It is a junction number, because it is equal to n+sod(n) for n = 1377656097 and 1377656106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1377656141) 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, 472948 + ... + 475851.

Almost surely, 2^1377656148 is an apocalyptic number.

It is an amenable number.

1377656148 is an abundant number, since it is smaller than the sum of its proper divisors (2155675052).

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

1377656148 is a wasteful number, since it uses less digits than its factorization.

1377656148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 948828 (or 948815 counting only the distinct ones).

The product of its digits is 846720, while the sum is 48.

The square root of 1377656148 is about 37116.7906478995. The cubic root of 1377656148 is about 1112.7056114181.

The spelling of 1377656148 in words is "one billion, three hundred seventy-seven million, six hundred fifty-six thousand, one hundred forty-eight".