1400131144 has 16 divisors (see below), whose sum is σ = 2645287920. Its totient is φ = 694721040.

The previous prime is 1400131129. The next prime is 1400131163. The reversal of 1400131144 is 4411310041.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 666954 + ... + 669049.

It is an arithmetic number, because the mean of its divisors is an integer number (165330495).

Almost surely, 2^1400131144 is an apocalyptic number.

It is an amenable number.

1400131144 is a deficient number, since it is larger than the sum of its proper divisors (1245156776).

1400131144 is a wasteful number, since it uses less digits than its factorization.

1400131144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1336140 (or 1336136 counting only the distinct ones).

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

The square root of 1400131144 is about 37418.3263121161. The cubic root of 1400131144 is about 1118.7238717866.

Adding to 1400131144 its reverse (4411310041), we get a palindrome (5811441185).

The spelling of 1400131144 in words is "one billion, four hundred million, one hundred thirty-one thousand, one hundred forty-four".