376639004138 has 8 divisors (see below), whose sum is σ = 565051307940. Its totient is φ = 188288568160.

The previous prime is 376639004087. The next prime is 376639004153. The reversal of 376639004138 is 831400936673.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 369193557769 + 7445446369 = 607613^2 + 86287^2 .

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

It is a super-2 number, since 2×376639004138² (a number of 24 digits) contains 22 as substring.

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, 15451733 + ... + 15476088.

Almost surely, 2^376639004138 is an apocalyptic number.

376639004138 is a deficient number, since it is larger than the sum of its proper divisors (188412303802).

376639004138 is a wasteful number, since it uses less digits than its factorization.

376639004138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30933912.

The product of its (nonzero) digits is 1959552, while the sum is 50.

The spelling of 376639004138 in words is "three hundred seventy-six billion, six hundred thirty-nine million, four thousand, one hundred thirty-eight".