1390652927 has 2 divisors, whose sum is σ = 1390652928. Its totient is φ = 1390652926.

The previous prime is 1390652911. The next prime is 1390652987. The reversal of 1390652927 is 7292560931.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1390652927 - 2⁴ = 1390652911 is a prime.

It is a super-3 number, since 3×1390652927³ (a number of 28 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1390652987) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 695326463 + 695326464.

It is an arithmetic number, because the mean of its divisors is an integer number (695326464).

Almost surely, 2^1390652927 is an apocalyptic number.

1390652927 is a deficient number, since it is larger than the sum of its proper divisors (1).

1390652927 is an equidigital number, since it uses as much as digits as its factorization.

1390652927 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 204120, while the sum is 44.

The square root of 1390652927 is about 37291.4591696276. The cubic root of 1390652927 is about 1116.1937457224.

The spelling of 1390652927 in words is "one billion, three hundred ninety million, six hundred fifty-two thousand, nine hundred twenty-seven".