2139155057360 has 40 divisors (see below), whose sum is σ = 4973837654016. Its totient is φ = 855610040960.

The previous prime is 2139155057321. The next prime is 2139155057363. The reversal of 2139155057360 is 637505519312.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2139155057363) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 526577 + ... + 2134383.

Almost surely, 2^{2139155057360} is an apocalyptic number.

2139155057360 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2139155057360 is an abundant number, since it is smaller than the sum of its proper divisors (2834682596656).

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

2139155057360 is a wasteful number, since it uses less digits than its factorization.

2139155057360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1624451 (or 1624445 counting only the distinct ones).

The product of its (nonzero) digits is 850500, while the sum is 47.

The spelling of 2139155057360 in words is "two trillion, one hundred thirty-nine billion, one hundred fifty-five million, fifty-seven thousand, three hundred sixty".