1390260601 has 8 divisors (see below), whose sum is σ = 1421733600. Its totient is φ = 1359051360.

The previous prime is 1390260593. The next prime is 1390260631. The reversal of 1390260601 is 1060620931.

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 1390260601 - 2³ = 1390260593 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 1390260601.

It is not an unprimeable number, because it can be changed into a prime (1390260631) 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, 55260 + ... + 76381.

It is an arithmetic number, because the mean of its divisors is an integer number (177716700).

Almost surely, 2^1390260601 is an apocalyptic number.

It is an amenable number.

1390260601 is a deficient number, since it is larger than the sum of its proper divisors (31472999).

1390260601 is a wasteful number, since it uses less digits than its factorization.

1390260601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131879.

The product of its (nonzero) digits is 1944, while the sum is 28.

The square root of 1390260601 is about 37286.1985324329. The cubic root of 1390260601 is about 1116.0887703290.

The spelling of 1390260601 in words is "one billion, three hundred ninety million, two hundred sixty thousand, six hundred one".