1390426262 has 8 divisors (see below), whose sum is σ = 2090391600. Its totient is φ = 693629064.

The previous prime is 1390426259. The next prime is 1390426319. The reversal of 1390426262 is 2626240931.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 790937 + ... + 792692.

It is an arithmetic number, because the mean of its divisors is an integer number (261298950).

Almost surely, 2^1390426262 is an apocalyptic number.

1390426262 is a deficient number, since it is larger than the sum of its proper divisors (699965338).

1390426262 is a wasteful number, since it uses less digits than its factorization.

1390426262 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1584070.

The product of its (nonzero) digits is 31104, while the sum is 35.

The square root of 1390426262 is about 37288.4199450714. The cubic root of 1390426262 is about 1116.1330989578.

The spelling of 1390426262 in words is "one billion, three hundred ninety million, four hundred twenty-six thousand, two hundred sixty-two".