1390493151 has 6 divisors (see below), whose sum is σ = 2008490120. Its totient is φ = 926995428.

The previous prime is 1390493149. The next prime is 1390493161. The reversal of 1390493151 is 1513940931.

1390493151 is a `hidden beast` number, since 13 + 9 + 0 + 493 + 151 = 666.

It is not a de Polignac number, because 1390493151 - 2¹ = 1390493149 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 (1390493101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 77249611 + ... + 77249628.

Almost surely, 2^1390493151 is an apocalyptic number.

1390493151 is a deficient number, since it is larger than the sum of its proper divisors (617996969).

1390493151 is a wasteful number, since it uses less digits than its factorization.

1390493151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154499245 (or 154499242 counting only the distinct ones).

The product of its (nonzero) digits is 14580, while the sum is 36.

The square root of 1390493151 is about 37289.3168481269. The cubic root of 1390493151 is about 1116.1509965459.

The spelling of 1390493151 in words is "one billion, three hundred ninety million, four hundred ninety-three thousand, one hundred fifty-one".