1377135356 has 6 divisors (see below), whose sum is σ = 2409986880. Its totient is φ = 688567676.

The previous prime is 1377135349. The next prime is 1377135401. The reversal of 1377135356 is 6535317731.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172141916 + ... + 172141923.

It is an arithmetic number, because the mean of its divisors is an integer number (401664480).

Almost surely, 2^1377135356 is an apocalyptic number.

It is an amenable number.

1377135356 is a deficient number, since it is larger than the sum of its proper divisors (1032851524).

1377135356 is a wasteful number, since it uses less digits than its factorization.

1377135356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 344283843 (or 344283841 counting only the distinct ones).

The product of its digits is 198450, while the sum is 41.

The square root of 1377135356 is about 37109.7743997454. The cubic root of 1377135356 is about 1112.5653826153.

The spelling of 1377135356 in words is "one billion, three hundred seventy-seven million, one hundred thirty-five thousand, three hundred fifty-six".