1376638854 has 16 divisors (see below), whose sum is σ = 2805226992. Its totient is φ = 450221408.

The previous prime is 1376638727. The next prime is 1376638871. The reversal of 1376638854 is 4588366731.

It is a junction number, because it is equal to n+sod(n) for n = 1376638797 and 1376638806.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2164209 + ... + 2164844.

It is an arithmetic number, because the mean of its divisors is an integer number (175326687).

Almost surely, 2^1376638854 is an apocalyptic number.

1376638854 is an abundant number, since it is smaller than the sum of its proper divisors (1428588138).

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

1376638854 is a wasteful number, since it uses less digits than its factorization.

1376638854 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4329111.

The product of its digits is 2903040, while the sum is 51.

The square root of 1376638854 is about 37103.0841575198. The cubic root of 1376638854 is about 1112.4316612316.

The spelling of 1376638854 in words is "one billion, three hundred seventy-six million, six hundred thirty-eight thousand, eight hundred fifty-four".