1400322131 has 4 divisors (see below), whose sum is σ = 1508039232. Its totient is φ = 1292605032.

The previous prime is 1400322127. The next prime is 1400322139. The reversal of 1400322131 is 1312230041.

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 1400322131 - 2² = 1400322127 is a prime.

It is a super-2 number, since 2×1400322131² = 3921804141136762322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1400322139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53858531 + ... + 53858556.

It is an arithmetic number, because the mean of its divisors is an integer number (377009808).

Almost surely, 2^1400322131 is an apocalyptic number.

1400322131 is a deficient number, since it is larger than the sum of its proper divisors (107717101).

1400322131 is a wasteful number, since it uses less digits than its factorization.

1400322131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107717100.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 1400322131 is about 37420.8782767054. The cubic root of 1400322131 is about 1118.7747365461.

Adding to 1400322131 its reverse (1312230041), we get a palindrome (2712552172).

The spelling of 1400322131 in words is "one billion, four hundred million, three hundred twenty-two thousand, one hundred thirty-one".