1400501431 has 4 divisors (see below), whose sum is σ = 1600573072. Its totient is φ = 1200429792.

The previous prime is 1400501363. The next prime is 1400501447. The reversal of 1400501431 is 1341050041.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1400501431 - 2²³ = 1392112823 is a prime.

It is a super-2 number, since 2×1400501431² = 3922808516466095522, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1400501399 and 1400501408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1400501461) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 100035810 + ... + 100035823.

It is an arithmetic number, because the mean of its divisors is an integer number (400143268).

Almost surely, 2^1400501431 is an apocalyptic number.

1400501431 is a deficient number, since it is larger than the sum of its proper divisors (200071641).

1400501431 is an equidigital number, since it uses as much as digits as its factorization.

1400501431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200071640.

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 1400501431 is about 37423.2739214516. The cubic root of 1400501431 is about 1118.8224845476.

Adding to 1400501431 its reverse (1341050041), we get a palindrome (2741551472).

The spelling of 1400501431 in words is "one billion, four hundred million, five hundred one thousand, four hundred thirty-one".