140016465 has 32 divisors (see below), whose sum is σ = 249459840. Its totient is φ = 74513088.

The previous prime is 140016451. The next prime is 140016469. The reversal of 140016465 is 564610041.

140016465 is a `hidden beast` number, since 14 + 0 + 0 + 1 + 646 + 5 = 666.

It is not a de Polignac number, because 140016465 - 2⁸ = 140016209 is a prime.

It is a super-2 number, since 2×140016465² = 39209220942192450, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (140016469) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 85999 + ... + 87611.

It is an arithmetic number, because the mean of its divisors is an integer number (7795620).

Almost surely, 2^140016465 is an apocalyptic number.

140016465 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

140016465 is a deficient number, since it is larger than the sum of its proper divisors (109443375).

140016465 is a wasteful number, since it uses less digits than its factorization.

140016465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2270 (or 2264 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 140016465 is about 11832.8553189837. The cubic root of 140016465 is about 519.2697652004.

The spelling of 140016465 in words is "one hundred forty million, sixteen thousand, four hundred sixty-five".