140411431 has 12 divisors (see below), whose sum is σ = 147282240. Its totient is φ = 133721280.

The previous prime is 140411423. The next prime is 140411443. The reversal of 140411431 is 134114041.

It is not a de Polignac number, because 140411431 - 2³ = 140411423 is a prime.

It is a super-2 number, since 2×140411431² = 39430739910935522, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 140411399 and 140411408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140411731) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 138655 + ... + 139663.

It is an arithmetic number, because the mean of its divisors is an integer number (12273520).

Almost surely, 2^140411431 is an apocalyptic number.

140411431 is a deficient number, since it is larger than the sum of its proper divisors (6870809).

140411431 is an equidigital number, since it uses as much as digits as its factorization.

140411431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1174 (or 1107 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 140411431 is about 11849.5329443822. The cubic root of 140411431 is about 519.7575682052.

Adding to 140411431 its reverse (134114041), we get a palindrome (274525472).

The spelling of 140411431 in words is "one hundred forty million, four hundred eleven thousand, four hundred thirty-one".