3927451138 has 8 divisors (see below), whose sum is σ = 6344344188. Its totient is φ = 1812669744.

The previous prime is 3927451111. The next prime is 3927451153. The reversal of 3927451138 is 8311547293.

It can be written as a sum of positive squares in 2 ways, for example, as 3331944729 + 595506409 = 57723^2 + 24403^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 3927451094 and 3927451103.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 75527881 + ... + 75527932.

Almost surely, 2^3927451138 is an apocalyptic number.

3927451138 is a deficient number, since it is larger than the sum of its proper divisors (2416893050).

3927451138 is a wasteful number, since it uses less digits than its factorization.

3927451138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151055828.

The product of its digits is 181440, while the sum is 43.

The square root of 3927451138 is about 62669.3795884402. The cubic root of 3927451138 is about 1577.7454274929.

The spelling of 3927451138 in words is "three billion, nine hundred twenty-seven million, four hundred fifty-one thousand, one hundred thirty-eight".