1377131152 has 20 divisors (see below), whose sum is σ = 2685191356. Its totient is φ = 684178560.

The previous prime is 1377131137. The next prime is 1377131177. The reversal of 1377131152 is 2511317731.

It can be written as a sum of positive squares in 2 ways, for example, as 337971456 + 1039159696 = 18384^2 + 32236^2 .

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, 271599 + ... + 276622.

Almost surely, 2^1377131152 is an apocalyptic number.

It is an amenable number.

1377131152 is a deficient number, since it is larger than the sum of its proper divisors (1308060204).

1377131152 is a wasteful number, since it uses less digits than its factorization.

1377131152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 548386 (or 548380 counting only the distinct ones).

The product of its digits is 4410, while the sum is 31.

The square root of 1377131152 is about 37109.7177569434. The cubic root of 1377131152 is about 1112.5642504996.

Adding to 1377131152 its reverse (2511317731), we get a palindrome (3888448883).

The spelling of 1377131152 in words is "one billion, three hundred seventy-seven million, one hundred thirty-one thousand, one hundred fifty-two".