140530765 has 8 divisors (see below), whose sum is σ = 168708960. Its totient is φ = 112376592.

The previous prime is 140530729. The next prime is 140530771. The reversal of 140530765 is 567035041.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-140530765 is a prime.

It is a super-2 number, since 2×140530765² = 39497791822970450, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11526 + ... + 20344.

It is an arithmetic number, because the mean of its divisors is an integer number (21088620).

Almost surely, 2^140530765 is an apocalyptic number.

It is an amenable number.

140530765 is a deficient number, since it is larger than the sum of its proper divisors (28178195).

140530765 is an equidigital number, since it uses as much as digits as its factorization.

140530765 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12011.

The product of its (nonzero) digits is 12600, while the sum is 31.

The square root of 140530765 is about 11854.5672632956. The cubic root of 140530765 is about 519.9047717630.

The spelling of 140530765 in words is "one hundred forty million, five hundred thirty thousand, seven hundred sixty-five".