140039465 has 8 divisors (see below), whose sum is σ = 168322560. Its totient is φ = 111848112.

The previous prime is 140039411. The next prime is 140039467. The reversal of 140039465 is 564930041.

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

It is a cyclic number.

It is not a de Polignac number, because 140039465 - 2⁶ = 140039401 is a prime.

It is a super-2 number, since 2×140039465² = 39222103514972450, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (140039467) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19529 + ... + 25718.

It is an arithmetic number, because the mean of its divisors is an integer number (21040320).

Almost surely, 2^140039465 is an apocalyptic number.

It is an amenable number.

140039465 is a deficient number, since it is larger than the sum of its proper divisors (28283095).

140039465 is an equidigital number, since it uses as much as digits as its factorization.

140039465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45871.

The product of its (nonzero) digits is 12960, while the sum is 32.

The square root of 140039465 is about 11833.8271493207. The cubic root of 140039465 is about 519.2981965012.

The spelling of 140039465 in words is "one hundred forty million, thirty-nine thousand, four hundred sixty-five".