1376129136 has 20 divisors (see below), whose sum is σ = 3555000392. Its totient is φ = 458709696.

The previous prime is 1376129113. The next prime is 1376129143. The reversal of 1376129136 is 6319216731.

It is a junction number, because it is equal to n+sod(n) for n = 1376129094 and 1376129103.

It is a congruent number.

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, 14334631 + ... + 14334726.

Almost surely, 2^1376129136 is an apocalyptic number.

1376129136 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1376129136 is an abundant number, since it is smaller than the sum of its proper divisors (2178871256).

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

1376129136 is a wasteful number, since it uses less digits than its factorization.

1376129136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28669368 (or 28669362 counting only the distinct ones).

The product of its digits is 40824, while the sum is 39.

The square root of 1376129136 is about 37096.2145777706. The cubic root of 1376129136 is about 1112.2943469711.

The spelling of 1376129136 in words is "one billion, three hundred seventy-six million, one hundred twenty-nine thousand, one hundred thirty-six".