140561402 has 8 divisors (see below), whose sum is σ = 211644576. Its totient is φ = 70013212.

The previous prime is 140561401. The next prime is 140561429. The reversal of 140561402 is 204165041.

140561402 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (140561401) 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, 133088 + ... + 134139.

It is an arithmetic number, because the mean of its divisors is an integer number (26455572).

Almost surely, 2^140561402 is an apocalyptic number.

140561402 is a deficient number, since it is larger than the sum of its proper divisors (71083174).

140561402 is a wasteful number, since it uses less digits than its factorization.

140561402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 267492.

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 140561402 is about 11855.8593952526. The cubic root of 140561402 is about 519.9425503593.

The spelling of 140561402 in words is "one hundred forty million, five hundred sixty-one thousand, four hundred two".