1376938129 has 8 divisors (see below), whose sum is σ = 1624406528. Its totient is φ = 1142160480.

The previous prime is 1376938111. The next prime is 1376938139. The reversal of 1376938129 is 9218396731.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1376938129 - 2⁵ = 1376938097 is a prime.

It is a super-2 number, since 2×1376938129² = 3791917222188041282, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1376938139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3172452 + ... + 3172885.

It is an arithmetic number, because the mean of its divisors is an integer number (203050816).

Almost surely, 2^1376938129 is an apocalyptic number.

It is an amenable number.

1376938129 is a deficient number, since it is larger than the sum of its proper divisors (247468399).

1376938129 is an equidigital number, since it uses as much as digits as its factorization.

1376938129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6345375.

The product of its digits is 489888, while the sum is 49.

The square root of 1376938129 is about 37107.1169588800. The cubic root of 1376938129 is about 1112.5122679117.

The spelling of 1376938129 in words is "one billion, three hundred seventy-six million, nine hundred thirty-eight thousand, one hundred twenty-nine".