140974965 has 128 divisors (see below), whose sum is σ = 289267200. Its totient is φ = 64696320.

The previous prime is 140974963. The next prime is 140974987. The reversal of 140974965 is 569479041.

It is not a de Polignac number, because 140974965 - 2¹ = 140974963 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 140974965.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140974963) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 2311035 + ... + 2311095.

It is an arithmetic number, because the mean of its divisors is an integer number (2259900).

Almost surely, 2^140974965 is an apocalyptic number.

140974965 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

140974965 is an abundant number, since it is smaller than the sum of its proper divisors (148292235).

140974965 is a wasteful number, since it uses less digits than its factorization.

140974965 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164 (or 158 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 45.

The square root of 140974965 is about 11873.2878765740. The cubic root of 140974965 is about 520.4519800562.

The spelling of 140974965 in words is "one hundred forty million, nine hundred seventy-four thousand, nine hundred sixty-five".