140050431 has 16 divisors (see below), whose sum is σ = 207765600. Its totient is φ = 93239424.

The previous prime is 140050399. The next prime is 140050487. The reversal of 140050431 is 134050041.

It is a happy number.

It is not a de Polignac number, because 140050431 - 2⁵ = 140050399 is a prime.

It is a super-3 number, since 3×140050431³ (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140050231) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19255 + ... + 25511.

It is an arithmetic number, because the mean of its divisors is an integer number (12985350).

Almost surely, 2^140050431 is an apocalyptic number.

140050431 is a deficient number, since it is larger than the sum of its proper divisors (67715169).

140050431 is an equidigital number, since it uses as much as digits as its factorization.

140050431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7095 (or 7089 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 140050431 is about 11834.2904730279. The cubic root of 140050431 is about 519.3117509550.

The spelling of 140050431 in words is "one hundred forty million, fifty thousand, four hundred thirty-one".