1390149335 has 4 divisors (see below), whose sum is σ = 1668179208. Its totient is φ = 1112119464.

The previous prime is 1390149331. The next prime is 1390149353. The reversal of 1390149335 is 5339410931.

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 1390149335 - 2² = 1390149331 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 (1390149331) 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, 139014929 + ... + 139014938.

It is an arithmetic number, because the mean of its divisors is an integer number (417044802).

Almost surely, 2^1390149335 is an apocalyptic number.

1390149335 is a deficient number, since it is larger than the sum of its proper divisors (278029873).

1390149335 is an equidigital number, since it uses as much as digits as its factorization.

1390149335 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 278029872.

The product of its (nonzero) digits is 43740, while the sum is 38.

The square root of 1390149335 is about 37284.7064491596. The cubic root of 1390149335 is about 1116.0589950849.

It can be divided in two parts, 13901 and 49335, that added together give a palindrome (63236).

The spelling of 1390149335 in words is "one billion, three hundred ninety million, one hundred forty-nine thousand, three hundred thirty-five".