1371280136 has 8 divisors (see below), whose sum is σ = 2571150270. Its totient is φ = 685640064.

The previous prime is 1371280123. The next prime is 1371280177. The reversal of 1371280136 is 6310821731.

It can be written as a sum of positive squares in only one way, i.e., 860248900 + 511031236 = 29330^2 + 22606^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×1371280136² = 3760818422776356992, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 85705001 + ... + 85705016.

Almost surely, 2^1371280136 is an apocalyptic number.

It is an amenable number.

1371280136 is a deficient number, since it is larger than the sum of its proper divisors (1199870134).

1371280136 is a wasteful number, since it uses less digits than its factorization.

1371280136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171410023 (or 171410019 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 32.

The square root of 1371280136 is about 37030.7998293313. The cubic root of 1371280136 is about 1110.9863634555.

The spelling of 1371280136 in words is "one billion, three hundred seventy-one million, two hundred eighty thousand, one hundred thirty-six".