140137750 has 16 divisors (see below), whose sum is σ = 262338336. Its totient is φ = 56055000.

The previous prime is 140137747. The next prime is 140137799. The reversal of 140137750 is 57731041.

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, 280026 + ... + 280525.

It is an arithmetic number, because the mean of its divisors is an integer number (16396146).

Almost surely, 2^140137750 is an apocalyptic number.

140137750 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

140137750 is a deficient number, since it is larger than the sum of its proper divisors (122200586).

140137750 is an equidigital number, since it uses as much as digits as its factorization.

140137750 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 560568 (or 560558 counting only the distinct ones).

The product of its (nonzero) digits is 2940, while the sum is 28.

The square root of 140137750 is about 11837.9791349706. The cubic root of 140137750 is about 519.4196558043.

Adding to 140137750 its reverse (57731041), we get a palindrome (197868791).

The spelling of 140137750 in words is "one hundred forty million, one hundred thirty-seven thousand, seven hundred fifty".