140527161 has 6 divisors (see below), whose sum is σ = 202983690. Its totient is φ = 93684768.

The previous prime is 140527157. The next prime is 140527181. The reversal of 140527161 is 161725041.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 73205136 + 67322025 = 8556^2 + 8205^2 .

It is not a de Polignac number, because 140527161 - 2² = 140527157 is a prime.

It is not an unprimeable number, because it can be changed into a prime (140527141) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7807056 + ... + 7807073.

It is an arithmetic number, because the mean of its divisors is an integer number (33830615).

Almost surely, 2^140527161 is an apocalyptic number.

It is an amenable number.

140527161 is a deficient number, since it is larger than the sum of its proper divisors (62456529).

140527161 is a wasteful number, since it uses less digits than its factorization.

140527161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15614135 (or 15614132 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 27.

The square root of 140527161 is about 11854.4152533982. The cubic root of 140527161 is about 519.9003272965.

The spelling of 140527161 in words is "one hundred forty million, five hundred twenty-seven thousand, one hundred sixty-one".