1401142132 has 48 divisors (see below), whose sum is σ = 2707810560. Its totient is φ = 630384768.

The previous prime is 1401142121. The next prime is 1401142139. The reversal of 1401142132 is 2312411041.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1401142139) 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 15 ways as a sum of consecutive naturals, for example, 447669 + ... + 450787.

It is an arithmetic number, because the mean of its divisors is an integer number (56412720).

Almost surely, 2^1401142132 is an apocalyptic number.

It is an amenable number.

1401142132 is a deficient number, since it is larger than the sum of its proper divisors (1306668428).

1401142132 is a wasteful number, since it uses less digits than its factorization.

1401142132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3352 (or 3350 counting only the distinct ones).

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

The square root of 1401142132 is about 37431.8331370506. The cubic root of 1401142132 is about 1118.9930714019.

Adding to 1401142132 its reverse (2312411041), we get a palindrome (3713553173).

The spelling of 1401142132 in words is "one billion, four hundred one million, one hundred forty-two thousand, one hundred thirty-two".