1401500289 has 8 divisors (see below), whose sum is σ = 2135619520. Its totient is φ = 800857296.

The previous prime is 1401500279. The next prime is 1401500293. The reversal of 1401500289 is 9820051041.

It is a happy number.

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

It is not a de Polignac number, because 1401500289 - 2¹⁵ = 1401467521 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1401500279) 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, 33369034 + ... + 33369075.

It is an arithmetic number, because the mean of its divisors is an integer number (266952440).

Almost surely, 2^1401500289 is an apocalyptic number.

It is an amenable number.

1401500289 is a deficient number, since it is larger than the sum of its proper divisors (734119231).

1401500289 is an equidigital number, since it uses as much as digits as its factorization.

1401500289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66738119.

The product of its (nonzero) digits is 2880, while the sum is 30.

The square root of 1401500289 is about 37436.6169545273. The cubic root of 1401500289 is about 1119.0884081629.

The spelling of 1401500289 in words is "one billion, four hundred one million, five hundred thousand, two hundred eighty-nine".