140540361 has 16 divisors (see below), whose sum is σ = 202050240. Its totient is φ = 86379840.

The previous prime is 140540341. The next prime is 140540363. The reversal of 140540361 is 163045041.

It is not a de Polignac number, because 140540361 - 2¹³ = 140532169 is a prime.

It is not an unprimeable number, because it can be changed into a prime (140540363) 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, 40006 + ... + 43376.

It is an arithmetic number, because the mean of its divisors is an integer number (12628140).

Almost surely, 2^140540361 is an apocalyptic number.

It is an amenable number.

140540361 is a deficient number, since it is larger than the sum of its proper divisors (61509879).

140540361 is a wasteful number, since it uses less digits than its factorization.

140540361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4456.

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 140540361 is about 11854.9719949058. The cubic root of 140540361 is about 519.9166052161.

The spelling of 140540361 in words is "one hundred forty million, five hundred forty thousand, three hundred sixty-one".