1377146992 has 20 divisors (see below), whose sum is σ = 2873470600. Its totient is φ = 635606208.

The previous prime is 1377146987. The next prime is 1377147017. The reversal of 1377146992 is 2996417731.

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, 3310242 + ... + 3310657.

It is an arithmetic number, because the mean of its divisors is an integer number (143673530).

Almost surely, 2^1377146992 is an apocalyptic number.

It is an amenable number.

1377146992 is an abundant number, since it is smaller than the sum of its proper divisors (1496323608).

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

1377146992 is a wasteful number, since it uses less digits than its factorization.

1377146992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6620920 (or 6620914 counting only the distinct ones).

The product of its digits is 571536, while the sum is 49.

The square root of 1377146992 is about 37109.9311775163. The cubic root of 1377146992 is about 1112.5685161185.

The spelling of 1377146992 in words is "one billion, three hundred seventy-seven million, one hundred forty-six thousand, nine hundred ninety-two".