2155140330239 has 16 divisors (see below), whose sum is σ = 2322837533184. Its totient is φ = 1987717644000.

The previous prime is 2155140330197. The next prime is 2155140330257. The reversal of 2155140330239 is 9320330415512.

It is a cyclic number.

It is not a de Polignac number, because 2155140330239 - 2⁸ = 2155140329983 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2155140330839) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 107795534 + ... + 107815524.

It is an arithmetic number, because the mean of its divisors is an integer number (145177345824).

Almost surely, 2^{2155140330239} is an apocalyptic number.

2155140330239 is a deficient number, since it is larger than the sum of its proper divisors (167697202945).

2155140330239 is a wasteful number, since it uses less digits than its factorization.

2155140330239 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26438.

The product of its (nonzero) digits is 97200, while the sum is 38.

The spelling of 2155140330239 in words is "two trillion, one hundred fifty-five billion, one hundred forty million, three hundred thirty thousand, two hundred thirty-nine".