135231186007 has 2 divisors, whose sum is σ = 135231186008. Its totient is φ = 135231186006.

The previous prime is 135231186001. The next prime is 135231186023. The reversal of 135231186007 is 700681132531.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 135231186007 - 2³¹ = 133083702359 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (135231186001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67615593003 + 67615593004.

It is an arithmetic number, because the mean of its divisors is an integer number (67615593004).

Almost surely, 2^135231186007 is an apocalyptic number.

135231186007 is a deficient number, since it is larger than the sum of its proper divisors (1).

135231186007 is an equidigital number, since it uses as much as digits as its factorization.

135231186007 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 30240, while the sum is 37.

The spelling of 135231186007 in words is "one hundred thirty-five billion, two hundred thirty-one million, one hundred eighty-six thousand, seven".