1402854638 has 8 divisors (see below), whose sum is σ = 2104713720. Its totient is φ = 701283400.

The previous prime is 1402854619. The next prime is 1402854641. The reversal of 1402854638 is 8364582041.

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

It is a super-2 number, since 2×1402854638² = 3936002270716222088, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1402854595 and 1402854604.

It is a congruent number.

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, 59333 + ... + 79536.

It is an arithmetic number, because the mean of its divisors is an integer number (263089215).

Almost surely, 2^1402854638 is an apocalyptic number.

1402854638 is a deficient number, since it is larger than the sum of its proper divisors (701859082).

1402854638 is a wasteful number, since it uses less digits than its factorization.

1402854638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143922.

The product of its (nonzero) digits is 184320, while the sum is 41.

The square root of 1402854638 is about 37454.7011468520. The cubic root of 1402854638 is about 1119.4487715833.

The spelling of 1402854638 in words is "one billion, four hundred two million, eight hundred fifty-four thousand, six hundred thirty-eight".