140356953 has 12 divisors (see below), whose sum is σ = 221168688. Its totient is φ = 85064760.

The previous prime is 140356949. The next prime is 140356969. The reversal of 140356953 is 359653041.

140356953 is a `hidden beast` number, since 1 + 40 + 3 + 569 + 53 = 666.

It is not a de Polignac number, because 140356953 - 2² = 140356949 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (140356903) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 708775 + ... + 708972.

It is an arithmetic number, because the mean of its divisors is an integer number (18430724).

Almost surely, 2^140356953 is an apocalyptic number.

It is an amenable number.

140356953 is a deficient number, since it is larger than the sum of its proper divisors (80811735).

140356953 is a wasteful number, since it uses less digits than its factorization.

140356953 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1417764 (or 1417761 counting only the distinct ones).

The product of its (nonzero) digits is 48600, while the sum is 36.

The square root of 140356953 is about 11847.2339809763. The cubic root of 140356953 is about 519.6903395487.

The spelling of 140356953 in words is "one hundred forty million, three hundred fifty-six thousand, nine hundred fifty-three".