135230961 has 48 divisors (see below), whose sum is σ = 204094080. Its totient is φ = 79453440.

The previous prime is 135230951. The next prime is 135230983. The reversal of 135230961 is 169032531.

It is not a de Polignac number, because 135230961 - 2⁵ = 135230929 is a prime.

It is not an unprimeable number, because it can be changed into a prime (135230951) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1519405 + ... + 1519493.

It is an arithmetic number, because the mean of its divisors is an integer number (4251960).

Almost surely, 2^135230961 is an apocalyptic number.

It is an amenable number.

135230961 is a deficient number, since it is larger than the sum of its proper divisors (68863119).

135230961 is a wasteful number, since it uses less digits than its factorization.

135230961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214 (or 195 counting only the distinct ones).

The product of its (nonzero) digits is 4860, while the sum is 30.

The square root of 135230961 is about 11628.8847702606. The cubic root of 135230961 is about 513.2851638146.

The spelling of 135230961 in words is "one hundred thirty-five million, two hundred thirty thousand, nine hundred sixty-one".