1375366131 has 6 divisors (see below), whose sum is σ = 1986639980. Its totient is φ = 916910748.

The previous prime is 1375366117. The next prime is 1375366141. The reversal of 1375366131 is 1316635731.

It is a happy number.

1375366131 is a `hidden beast` number, since 1 + 3 + 7 + 5 + 36 + 613 + 1 = 666.

It is not a de Polignac number, because 1375366131 - 2¹⁴ = 1375349747 is a prime.

It is a super-2 number, since 2×1375366131² = 3783263988603818322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1375366141) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 76409221 + ... + 76409238.

Almost surely, 2^1375366131 is an apocalyptic number.

1375366131 is a deficient number, since it is larger than the sum of its proper divisors (611273849).

1375366131 is a wasteful number, since it uses less digits than its factorization.

1375366131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152818465 (or 152818462 counting only the distinct ones).

The product of its digits is 34020, while the sum is 36.

The square root of 1375366131 is about 37085.9290162725. The cubic root of 1375366131 is about 1112.0887356836.

The spelling of 1375366131 in words is "one billion, three hundred seventy-five million, three hundred sixty-six thousand, one hundred thirty-one".