140104252 has 24 divisors (see below), whose sum is σ = 266416640. Its totient is φ = 64223280.

The previous prime is 140104243. The next prime is 140104267. The reversal of 140104252 is 252401041.

It is a Harshad number since it is a multiple of its sum of digits (19).

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, 27378 + ... + 32089.

Almost surely, 2^140104252 is an apocalyptic number.

It is an amenable number.

140104252 is a deficient number, since it is larger than the sum of its proper divisors (126312388).

140104252 is a wasteful number, since it uses less digits than its factorization.

140104252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59521 (or 59519 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 140104252 is about 11836.5641974350. The cubic root of 140104252 is about 519.3782658001.

Adding to 140104252 its reverse (252401041), we get a palindrome (392505293).

The spelling of 140104252 in words is "one hundred forty million, one hundred four thousand, two hundred fifty-two".