140440700 has 36 divisors (see below), whose sum is σ = 311250912. Its totient is φ = 54979200.

The previous prime is 140440693. The next prime is 140440711. The reversal of 140440700 is 7044041.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10241 + ... + 19640.

Almost surely, 2^140440700 is an apocalyptic number.

140440700 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

140440700 is an abundant number, since it is smaller than the sum of its proper divisors (170810212).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

140440700 is a wasteful number, since it uses less digits than its factorization.

140440700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29942 (or 29935 counting only the distinct ones).

The product of its (nonzero) digits is 448, while the sum is 20.

The square root of 140440700 is about 11850.7679076084. The cubic root of 140440700 is about 519.7936804772.

Adding to 140440700 its reverse (7044041), we get a palindrome (147484741).

The spelling of 140440700 in words is "one hundred forty million, four hundred forty thousand, seven hundred".