1390066337 has 8 divisors (see below), whose sum is σ = 1553422752. Its totient is φ = 1232874400.

The previous prime is 1390066297. The next prime is 1390066339. The reversal of 1390066337 is 7336600931.

It is a happy number.

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 1390066337 - 2⁶ = 1390066273 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1390066337.

It is not an unprimeable number, because it can be changed into a prime (1390066339) 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, 1540643 + ... + 1541544.

It is an arithmetic number, because the mean of its divisors is an integer number (194177844).

Almost surely, 2^1390066337 is an apocalyptic number.

It is an amenable number.

1390066337 is a deficient number, since it is larger than the sum of its proper divisors (163356415).

1390066337 is a wasteful number, since it uses less digits than its factorization.

1390066337 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3082239.

The product of its (nonzero) digits is 61236, while the sum is 38.

The square root of 1390066337 is about 37283.5934024606. The cubic root of 1390066337 is about 1116.0367834405.

The spelling of 1390066337 in words is "one billion, three hundred ninety million, sixty-six thousand, three hundred thirty-seven".