135252031 has 2 divisors, whose sum is σ = 135252032. Its totient is φ = 135252030.

The previous prime is 135252011. The next prime is 135252037. The reversal of 135252031 is 130252531.

135252031 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 135252031 - 2⁵ = 135251999 is a prime.

It is a super-2 number, since 2×135252031² = 36586223779249922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 135251993 and 135252011.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (135252037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67626015 + 67626016.

It is an arithmetic number, because the mean of its divisors is an integer number (67626016).

Almost surely, 2^135252031 is an apocalyptic number.

135252031 is a deficient number, since it is larger than the sum of its proper divisors (1).

135252031 is an equidigital number, since it uses as much as digits as its factorization.

135252031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 900, while the sum is 22.

The square root of 135252031 is about 11629.7906687954. The cubic root of 135252031 is about 513.3118203255.

The spelling of 135252031 in words is "one hundred thirty-five million, two hundred fifty-two thousand, thirty-one".