140300432 has 20 divisors (see below), whose sum is σ = 272093820. Its totient is φ = 70082688.

The previous prime is 140300429. The next prime is 140300471. The reversal of 140300432 is 234003041.

It can be written as a sum of positive squares in 2 ways, for example, as 81072016 + 59228416 = 9004^2 + 7696^2 .

It is a super-2 number, since 2×140300432² = 39368422438773248, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 140300432.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15794 + ... + 23022.

It is an arithmetic number, because the mean of its divisors is an integer number (13604691).

Almost surely, 2^140300432 is an apocalyptic number.

It is an amenable number.

140300432 is a deficient number, since it is larger than the sum of its proper divisors (131793388).

140300432 is a wasteful number, since it uses less digits than its factorization.

140300432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8450 (or 8444 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 140300432 is about 11844.8483316588. The cubic root of 140300432 is about 519.6205713357.

Adding to 140300432 its reverse (234003041), we get a palindrome (374303473).

The spelling of 140300432 in words is "one hundred forty million, three hundred thousand, four hundred thirty-two".