1377538548 has 24 divisors (see below), whose sum is σ = 3216336480. Its totient is φ = 458882400.

The previous prime is 1377538531. The next prime is 1377538573. The reversal of 1377538548 is 8458357731.

It is a super-2 number, since 2×1377538548² = 3795224902451896608, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1377538548.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17403 + ... + 55298.

It is an arithmetic number, because the mean of its divisors is an integer number (134014020).

Almost surely, 2^1377538548 is an apocalyptic number.

It is an amenable number.

1377538548 is an abundant number, since it is smaller than the sum of its proper divisors (1838797932).

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

1377538548 is a wasteful number, since it uses less digits than its factorization.

1377538548 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74287 (or 74285 counting only the distinct ones).

The product of its digits is 2822400, while the sum is 51.

The square root of 1377538548 is about 37115.2064253993. The cubic root of 1377538548 is about 1112.6739494528.

The spelling of 1377538548 in words is "one billion, three hundred seventy-seven million, five hundred thirty-eight thousand, five hundred forty-eight".