1401131424 has 96 divisors (see below), whose sum is σ = 4585545216. Its totient is φ = 363928320.

The previous prime is 1401131419. The next prime is 1401131477. The reversal of 1401131424 is 4241311041.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 1401131424.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 87382 + ... + 102165.

It is an arithmetic number, because the mean of its divisors is an integer number (47766096).

Almost surely, 2^1401131424 is an apocalyptic number.

1401131424 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1401131424 is an abundant number, since it is smaller than the sum of its proper divisors (3184413792).

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

1401131424 is a wasteful number, since it uses less digits than its factorization.

1401131424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189578 (or 189570 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 21.

The square root of 1401131424 is about 37431.6901034404. The cubic root of 1401131424 is about 1118.9902208206.

Adding to 1401131424 its reverse (4241311041), we get a palindrome (5642442465).

The spelling of 1401131424 in words is "one billion, four hundred one million, one hundred thirty-one thousand, four hundred twenty-four".