2136122078278 has 16 divisors (see below), whose sum is σ = 3250398112416. Its totient is φ = 1052760481920.

The previous prime is 2136122078273. The next prime is 2136122078323. The reversal of 2136122078278 is 8728702216312.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2136122078273) 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, 26069226 + ... + 26151037.

It is an arithmetic number, because the mean of its divisors is an integer number (203149882026).

Almost surely, 2^{2136122078278} is an apocalyptic number.

2136122078278 is a deficient number, since it is larger than the sum of its proper divisors (1114276034138).

2136122078278 is a wasteful number, since it uses less digits than its factorization.

2136122078278 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52220559.

The product of its (nonzero) digits is 903168, while the sum is 49.

The spelling of 2136122078278 in words is "two trillion, one hundred thirty-six billion, one hundred twenty-two million, seventy-eight thousand, two hundred seventy-eight".