2139360192 has 168 divisors, whose sum is σ = 6301246224. Its totient is φ = 693743616.

The previous prime is 2139360137. The next prime is 2139360193. The reversal of 2139360192 is 2910639312.

It is a happy number.

2139360192 is a `hidden beast` number, since 21 + 393 + 60 + 192 = 666.

It is a super-2 number, since 2×2139360192² = 9153724062228553728, which contains 22 as substring.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2139360193) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3489678 + ... + 3490290.

It is an arithmetic number, because the mean of its divisors is an integer number (37507418).

Almost surely, 2^2139360192 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2139360192, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3150623112).

2139360192 is an abundant number, since it is smaller than the sum of its proper divisors (4161886032).

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

2139360192 is a wasteful number, since it uses less digits than its factorization.

2139360192 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 787 (or 774 counting only the distinct ones).

The product of its (nonzero) digits is 17496, while the sum is 36.

The square root of 2139360192 is about 46253.2181799278. The cubic root of 2139360192 is about 1288.5303038576.

The spelling of 2139360192 in words is "two billion, one hundred thirty-nine million, three hundred sixty thousand, one hundred ninety-two".