135450691 has 2 divisors, whose sum is σ = 135450692. Its totient is φ = 135450690.

The previous prime is 135450671. The next prime is 135450701. The reversal of 135450691 is 196054531.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-135450691 is a prime.

It is not a weakly prime, because it can be changed into another prime (135450661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67725345 + 67725346.

It is an arithmetic number, because the mean of its divisors is an integer number (67725346).

Almost surely, 2^135450691 is an apocalyptic number.

135450691 is a deficient number, since it is larger than the sum of its proper divisors (1).

135450691 is an equidigital number, since it uses as much as digits as its factorization.

135450691 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16200, while the sum is 34.

The square root of 135450691 is about 11638.3285311938. The cubic root of 135450691 is about 513.5630171443.

The spelling of 135450691 in words is "one hundred thirty-five million, four hundred fifty thousand, six hundred ninety-one".