140239502 has 16 divisors (see below), whose sum is σ = 228200112. Its totient is φ = 64251840.

The previous prime is 140239499. The next prime is 140239523. The reversal of 140239502 is 205932041.

140239502 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (26).

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, 16124 + ... + 23247.

It is an arithmetic number, because the mean of its divisors is an integer number (14262507).

Almost surely, 2^140239502 is an apocalyptic number.

140239502 is a deficient number, since it is larger than the sum of its proper divisors (87960610).

140239502 is a wasteful number, since it uses less digits than its factorization.

140239502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39523.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 140239502 is about 11842.2760481252. The cubic root of 140239502 is about 519.5453397647.

It can be divided in two parts, 1402 and 39502, that added together give a palindrome (40904).

The spelling of 140239502 in words is "one hundred forty million, two hundred thirty-nine thousand, five hundred two".