1401665914 has 8 divisors (see below), whose sum is σ = 2293635168. Its totient is φ = 637120860.

The previous prime is 1401665911. The next prime is 1401665927. The reversal of 1401665914 is 4195661041.

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

It is not an unprimeable number, because it can be changed into a prime (1401665911) 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, 31856022 + ... + 31856065.

It is an arithmetic number, because the mean of its divisors is an integer number (286704396).

Almost surely, 2^1401665914 is an apocalyptic number.

1401665914 is a deficient number, since it is larger than the sum of its proper divisors (891969254).

1401665914 is a wasteful number, since it uses less digits than its factorization.

1401665914 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63712100.

The product of its (nonzero) digits is 25920, while the sum is 37.

The square root of 1401665914 is about 37438.8289613871. The cubic root of 1401665914 is about 1119.1324899035.

The spelling of 1401665914 in words is "one billion, four hundred one million, six hundred sixty-five thousand, nine hundred fourteen".