1401134021 has 8 divisors (see below), whose sum is σ = 1605014784. Its totient is φ = 1198182960.

The previous prime is 1401134011. The next prime is 1401134027. The reversal of 1401134021 is 1204311041.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1401134021 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1401134027) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 229190 + ... + 235223.

It is an arithmetic number, because the mean of its divisors is an integer number (200626848).

Almost surely, 2^1401134021 is an apocalyptic number.

It is an amenable number.

1401134021 is a deficient number, since it is larger than the sum of its proper divisors (203880763).

1401134021 is an equidigital number, since it uses as much as digits as its factorization.

1401134021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 464851.

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 1401134021 is about 37431.7247932820. The cubic root of 1401134021 is about 1118.9909121704.

Adding to 1401134021 its reverse (1204311041), we get a palindrome (2605445062).

The spelling of 1401134021 in words is "one billion, four hundred one million, one hundred thirty-four thousand, twenty-one".