1926135539 has 2 divisors, whose sum is σ = 1926135540. Its totient is φ = 1926135538.

The previous prime is 1926135473. The next prime is 1926135557. The reversal of 1926135539 is 9355316291.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1926135539 is a prime.

It is a super-2 number, since 2×1926135539² = 7419996229197641042, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1926135539.

It is not a weakly prime, because it can be changed into another prime (1926135439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 963067769 + 963067770.

It is an arithmetic number, because the mean of its divisors is an integer number (963067770).

Almost surely, 2^1926135539 is an apocalyptic number.

1926135539 is a deficient number, since it is larger than the sum of its proper divisors (1).

1926135539 is an equidigital number, since it uses as much as digits as its factorization.

1926135539 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 218700, while the sum is 44.

The square root of 1926135539 is about 43887.7606970326. The cubic root of 1926135539 is about 1244.2155214570.

The spelling of 1926135539 in words is "one billion, nine hundred twenty-six million, one hundred thirty-five thousand, five hundred thirty-nine".