1874138402 has 8 divisors (see below), whose sum is σ = 2876584656. Its totient is φ = 915276852.

The previous prime is 1874138381. The next prime is 1874138443. The reversal of 1874138402 is 2048314781.

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

It is a super-2 number, since 2×1874138402² = 7024789499702227208, which 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, 10896068 + ... + 10896239.

It is an arithmetic number, because the mean of its divisors is an integer number (359573082).

Almost surely, 2^1874138402 is an apocalyptic number.

1874138402 is a deficient number, since it is larger than the sum of its proper divisors (1002446254).

1874138402 is a wasteful number, since it uses less digits than its factorization.

1874138402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21792352.

The product of its (nonzero) digits is 43008, while the sum is 38.

The square root of 1874138402 is about 43291.3201692903. The cubic root of 1874138402 is about 1232.9171297031.

The spelling of 1874138402 in words is "one billion, eight hundred seventy-four million, one hundred thirty-eight thousand, four hundred two".