1401039371 has 4 divisors (see below), whose sum is σ = 1401948912. Its totient is φ = 1400129832.

The previous prime is 1401039361. The next prime is 1401039397. The reversal of 1401039371 is 1739301041.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1401039371 - 2⁶ = 1401039307 is a prime.

It is a super-2 number, since 2×1401039371² = 3925822638184151282, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1401039301) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 452456 + ... + 455541.

It is an arithmetic number, because the mean of its divisors is an integer number (350487228).

Almost surely, 2^1401039371 is an apocalyptic number.

1401039371 is a deficient number, since it is larger than the sum of its proper divisors (909541).

1401039371 is an equidigital number, since it uses as much as digits as its factorization.

1401039371 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 909540.

The product of its (nonzero) digits is 2268, while the sum is 29.

The square root of 1401039371 is about 37430.4604700503. The cubic root of 1401039371 is about 1118.9657147534.

The spelling of 1401039371 in words is "one billion, four hundred one million, thirty-nine thousand, three hundred seventy-one".