140470065 has 64 divisors (see below), whose sum is σ = 267563520. Its totient is φ = 69672960.

The previous prime is 140470063. The next prime is 140470067. The reversal of 140470065 is 560074041.

It is an interprime number because it is at equal distance from previous prime (140470063) and next prime (140470067).

It is not a de Polignac number, because 140470065 - 2¹ = 140470063 is a prime.

It is a super-2 number, since 2×140470065² = 39463678322208450, which contains 22 as substring.

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

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (140470063) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 222300 + ... + 222930.

It is an arithmetic number, because the mean of its divisors is an integer number (4180680).

Almost surely, 2^140470065 is an apocalyptic number.

140470065 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

140470065 is a deficient number, since it is larger than the sum of its proper divisors (127093455).

140470065 is a wasteful number, since it uses less digits than its factorization.

140470065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 759 (or 753 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 140470065 is about 11852.0067921007. The cubic root of 140470065 is about 519.8299061528.

The spelling of 140470065 in words is "one hundred forty million, four hundred seventy thousand, sixty-five".