2139465460188 has 36 divisors (see below), whose sum is σ = 5807120536392. Its totient is φ = 611275845600.

The previous prime is 2139465460159. The next prime is 2139465460219. The reversal of 2139465460188 is 8810645649312.

It is a super-2 number, since 2×2139465460188² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1819272763 + ... + 1819273938.

Almost surely, 2^{2139465460188} is an apocalyptic number.

2139465460188 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

2139465460188 is an abundant number, since it is smaller than the sum of its proper divisors (3667655076204).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2139465460188 is a wasteful number, since it uses less digits than its factorization.

2139465460188 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3638546722 (or 3638546713 counting only the distinct ones).

The product of its (nonzero) digits is 9953280, while the sum is 57.

The spelling of 2139465460188 in words is "two trillion, one hundred thirty-nine billion, four hundred sixty-five million, four hundred sixty thousand, one hundred eighty-eight".