1401146131 has 24 divisors (see below), whose sum is σ = 1855401984. Its totient is φ = 1044323280.

The previous prime is 1401146129. The next prime is 1401146147. The reversal of 1401146131 is 1316411041.

It is a happy number.

It is not a de Polignac number, because 1401146131 - 2¹ = 1401146129 is a prime.

It is a super-2 number, since 2×1401146131² = 3926420960832538322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1401146231) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 44115 + ... + 68908.

It is an arithmetic number, because the mean of its divisors is an integer number (77308416).

Almost surely, 2^1401146131 is an apocalyptic number.

1401146131 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1401146131 is a deficient number, since it is larger than the sum of its proper divisors (454255853).

1401146131 is a wasteful number, since it uses less digits than its factorization.

1401146131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113071 (or 113064 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 22.

The square root of 1401146131 is about 37431.8865541132. The cubic root of 1401146131 is about 1118.9941359736.

Adding to 1401146131 its reverse (1316411041), we get a palindrome (2717557172).

The spelling of 1401146131 in words is "one billion, four hundred one million, one hundred forty-six thousand, one hundred thirty-one".