2139160136400 has 1200 divisors, whose sum is σ = 9779436754560. Its totient is φ = 435953664000.

The previous prime is 2139160136341. The next prime is 2139160136423. The reversal of 2139160136400 is 46310619312.

2139160136400 is a `hidden beast` number, since 2 + 1 + 3 + 9 + 1 + 6 + 0 + 1 + 3 + 640 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (1200).

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 239 ways as a sum of consecutive naturals, for example, 73241800 + ... + 73271000.

Almost surely, 2^{2139160136400} is an apocalyptic number.

2139160136400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2139160136400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4889718377280).

2139160136400 is an abundant number, since it is smaller than the sum of its proper divisors (7640276618160).

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

2139160136400 is a wasteful number, since it uses less digits than its factorization.

2139160136400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29274 (or 29254 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 36.

The spelling of 2139160136400 in words is "two trillion, one hundred thirty-nine billion, one hundred sixty million, one hundred thirty-six thousand, four hundred".