2156907141 has 6 divisors (see below), whose sum is σ = 3115532550. Its totient is φ = 1437938088.

The previous prime is 2156907107. The next prime is 2156907149. The reversal of 2156907141 is 1417096512.

2156907141 is a `hidden beast` number, since 21 + 569 + 0 + 71 + 4 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1930284225 + 226622916 = 43935^2 + 15054^2 .

It is not a de Polignac number, because 2156907141 - 2²⁷ = 2022689413 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2156907096 and 2156907105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2156907149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 119828166 + ... + 119828183.

It is an arithmetic number, because the mean of its divisors is an integer number (519255425).

Almost surely, 2^2156907141 is an apocalyptic number.

It is an amenable number.

2156907141 is a deficient number, since it is larger than the sum of its proper divisors (958625409).

2156907141 is a wasteful number, since it uses less digits than its factorization.

2156907141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 239656355 (or 239656352 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 36.

The square root of 2156907141 is about 46442.5143699176. The cubic root of 2156907141 is about 1292.0435412756.

The spelling of 2156907141 in words is "two billion, one hundred fifty-six million, nine hundred seven thousand, one hundred forty-one".