1390344174 has 24 divisors (see below), whose sum is σ = 3014171472. Its totient is φ = 463177440.

The previous prime is 1390344157. The next prime is 1390344211. The reversal of 1390344174 is 4714430931.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10434 + ... + 53754.

It is an arithmetic number, because the mean of its divisors is an integer number (125590478).

Almost surely, 2^1390344174 is an apocalyptic number.

1390344174 is an abundant number, since it is smaller than the sum of its proper divisors (1623827298).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1390344174 is a wasteful number, since it uses less digits than its factorization.

1390344174 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45112 (or 45109 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 36.

The square root of 1390344174 is about 37287.3192117642. The cubic root of 1390344174 is about 1116.1111337664. Note that the first 4 decimals are identical.

The spelling of 1390344174 in words is "one billion, three hundred ninety million, three hundred forty-four thousand, one hundred seventy-four".