1390072207 has 2 divisors, whose sum is σ = 1390072208. Its totient is φ = 1390072206.

The previous prime is 1390072199. The next prime is 1390072219. The reversal of 1390072207 is 7022700931.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1390072207 - 2³ = 1390072199 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1390072237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 695036103 + 695036104.

It is an arithmetic number, because the mean of its divisors is an integer number (695036104).

Almost surely, 2^1390072207 is an apocalyptic number.

1390072207 is a deficient number, since it is larger than the sum of its proper divisors (1).

1390072207 is an equidigital number, since it uses as much as digits as its factorization.

1390072207 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5292, while the sum is 31.

The square root of 1390072207 is about 37283.6721233303. The cubic root of 1390072207 is about 1116.0383543791.

The spelling of 1390072207 in words is "one billion, three hundred ninety million, seventy-two thousand, two hundred seven".