140242502 has 4 divisors (see below), whose sum is σ = 210363756. Its totient is φ = 70121250.

The previous prime is 140242493. The next prime is 140242513. The reversal of 140242502 is 205242041.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35060624 + ... + 35060627.

It is an arithmetic number, because the mean of its divisors is an integer number (52590939).

Almost surely, 2^140242502 is an apocalyptic number.

140242502 is a deficient number, since it is larger than the sum of its proper divisors (70121254).

140242502 is an equidigital number, since it uses as much as digits as its factorization.

140242502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70121253.

The product of its (nonzero) digits is 640, while the sum is 20.

The square root of 140242502 is about 11842.4027122877. The cubic root of 140242502 is about 519.5490444387.

Adding to 140242502 its reverse (205242041), we get a palindrome (345484543).

The spelling of 140242502 in words is "one hundred forty million, two hundred forty-two thousand, five hundred two".