1400334131 has 32 divisors (see below), whose sum is σ = 1672839168. Its totient is φ = 1147426560.

The previous prime is 1400334119. The next prime is 1400334137. The reversal of 1400334131 is 1314330041.

It is a de Polignac number, because none of the positive numbers 2^k-1400334131 is a prime.

It is a super-2 number, since 2×1400334131² = 3921871356887050322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1400334137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3754061 + ... + 3754433.

It is an arithmetic number, because the mean of its divisors is an integer number (52276224).

Almost surely, 2^1400334131 is an apocalyptic number.

1400334131 is a deficient number, since it is larger than the sum of its proper divisors (272505037).

1400334131 is a wasteful number, since it uses less digits than its factorization.

1400334131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 651.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 1400334131 is about 37421.0386146617. The cubic root of 1400334131 is about 1118.7779323009. Note that the first 3 decimals are identical.

Adding to 1400334131 its reverse (1314330041), we get a palindrome (2714664172).

The spelling of 1400334131 in words is "one billion, four hundred million, three hundred thirty-four thousand, one hundred thirty-one".