1390374733 has 8 divisors (see below), whose sum is σ = 1605994560. Its totient is φ = 1189625280.

The previous prime is 1390374731. The next prime is 1390374737. The reversal of 1390374733 is 3374730931.

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

It is a cyclic number.

It is not a de Polignac number, because 1390374733 - 2¹ = 1390374731 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 (1390374731) 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, 3717393 + ... + 3717766.

It is an arithmetic number, because the mean of its divisors is an integer number (200749320).

Almost surely, 2^1390374733 is an apocalyptic number.

It is an amenable number.

1390374733 is a deficient number, since it is larger than the sum of its proper divisors (215619827).

1390374733 is a wasteful number, since it uses less digits than its factorization.

1390374733 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7435187.

The product of its (nonzero) digits is 142884, while the sum is 40.

The square root of 1390374733 is about 37287.7289868933. The cubic root of 1390374733 is about 1116.1193108760.

The spelling of 1390374733 in words is "one billion, three hundred ninety million, three hundred seventy-four thousand, seven hundred thirty-three".