1401132312 has 48 divisors (see below), whose sum is σ = 3796650000. Its totient is φ = 466808256.

The previous prime is 1401132269. The next prime is 1401132323. The reversal of 1401132312 is 2132311041.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 194389 + ... + 201467.

It is an arithmetic number, because the mean of its divisors is an integer number (79096875).

Almost surely, 2^1401132312 is an apocalyptic number.

1401132312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1401132312 is an abundant number, since it is smaller than the sum of its proper divisors (2395517688).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1401132312 is a wasteful number, since it uses less digits than its factorization.

1401132312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9840 (or 9833 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 1401132312 is about 37431.7019650456. The cubic root of 1401132312 is about 1118.9904572160.

Adding to 1401132312 its reverse (2132311041), we get a palindrome (3533443353).

The spelling of 1401132312 in words is "one billion, four hundred one million, one hundred thirty-two thousand, three hundred twelve".