140661095 has 4 divisors (see below), whose sum is σ = 168793320. Its totient is φ = 112528872.

The previous prime is 140661071. The next prime is 140661097. The reversal of 140661095 is 590166041.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 140661095 - 2²⁰ = 139612519 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140661097) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14066105 + ... + 14066114.

It is an arithmetic number, because the mean of its divisors is an integer number (42198330).

Almost surely, 2^140661095 is an apocalyptic number.

140661095 is a deficient number, since it is larger than the sum of its proper divisors (28132225).

140661095 is an equidigital number, since it uses as much as digits as its factorization.

140661095 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28132224.

The product of its (nonzero) digits is 6480, while the sum is 32.

The square root of 140661095 is about 11860.0630268140. The cubic root of 140661095 is about 520.0654441794.

The spelling of 140661095 in words is "one hundred forty million, six hundred sixty-one thousand, ninety-five".