1376657042 has 16 divisors (see below), whose sum is σ = 2281519872. Its totient is φ = 619671360.

The previous prime is 1376656993. The next prime is 1376657047. The reversal of 1376657042 is 2407566731.

It is a super-2 number, since 2×1376657042² = 3790369222576379528, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1376657047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 879434 + ... + 880997.

It is an arithmetic number, because the mean of its divisors is an integer number (142594992).

Almost surely, 2^1376657042 is an apocalyptic number.

1376657042 is a deficient number, since it is larger than the sum of its proper divisors (904862830).

1376657042 is a wasteful number, since it uses less digits than its factorization.

1376657042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1760473.

The product of its (nonzero) digits is 211680, while the sum is 41.

The square root of 1376657042 is about 37103.3292576286. The cubic root of 1376657042 is about 1112.4365603180.

The spelling of 1376657042 in words is "one billion, three hundred seventy-six million, six hundred fifty-seven thousand, forty-two".