135027731 has 2 divisors, whose sum is σ = 135027732. Its totient is φ = 135027730.

The previous prime is 135027707. The next prime is 135027749. The reversal of 135027731 is 137720531.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 135027731 - 2¹⁴ = 135011347 is a prime.

It is a super-2 number, since 2×135027731² = 36464976278016722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 135027694 and 135027703.

It is not a weakly prime, because it can be changed into another prime (135027701) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67513865 + 67513866.

It is an arithmetic number, because the mean of its divisors is an integer number (67513866).

Almost surely, 2^135027731 is an apocalyptic number.

135027731 is a deficient number, since it is larger than the sum of its proper divisors (1).

135027731 is an equidigital number, since it uses as much as digits as its factorization.

135027731 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4410, while the sum is 29.

The square root of 135027731 is about 11620.1433295808. The cubic root of 135027731 is about 513.0279070374.

The spelling of 135027731 in words is "one hundred thirty-five million, twenty-seven thousand, seven hundred thirty-one".