140023502 has 16 divisors (see below), whose sum is σ = 224208000. Its totient is φ = 65391480.

The previous prime is 140023493. The next prime is 140023511. The reversal of 140023502 is 205320041.

140023502 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (140023493) and next prime (140023511).

It is a super-2 number, since 2×140023502² = 39213162224688008, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 23252 + ... + 28647.

It is an arithmetic number, because the mean of its divisors is an integer number (14013000).

Almost surely, 2^140023502 is an apocalyptic number.

140023502 is a deficient number, since it is larger than the sum of its proper divisors (84184498).

140023502 is a wasteful number, since it uses less digits than its factorization.

140023502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51991.

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 140023502 is about 11833.1526652875. The cubic root of 140023502 is about 519.2784642728.

Adding to 140023502 its reverse (205320041), we get a palindrome (345343543).

The spelling of 140023502 in words is "one hundred forty million, twenty-three thousand, five hundred two".