1390473111 has 4 divisors (see below), whose sum is σ = 1853964152. Its totient is φ = 926982072.

The previous prime is 1390473107. The next prime is 1390473113. The reversal of 1390473111 is 1113740931.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1113740931 = 3 ⋅371246977.

It is not a de Polignac number, because 1390473111 - 2² = 1390473107 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 (1390473113) 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, 231745516 + ... + 231745521.

It is an arithmetic number, because the mean of its divisors is an integer number (463491038).

Almost surely, 2^1390473111 is an apocalyptic number.

1390473111 is a deficient number, since it is larger than the sum of its proper divisors (463491041).

1390473111 is an equidigital number, since it uses as much as digits as its factorization.

1390473111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 463491040.

The product of its (nonzero) digits is 2268, while the sum is 30.

The square root of 1390473111 is about 37289.0481374894. The cubic root of 1390473111 is about 1116.1456344739.

The spelling of 1390473111 in words is "one billion, three hundred ninety million, four hundred seventy-three thousand, one hundred eleven".