135199746 has 32 divisors (see below), whose sum is σ = 327758400. Its totient is φ = 40969440.

The previous prime is 135199741. The next prime is 135199751. The reversal of 135199746 is 647991531.

135199746 is a `hidden beast` number, since 1 + 3 + 519 + 97 + 46 = 666.

It is an interprime number because it is at equal distance from previous prime (135199741) and next prime (135199751).

It is not an unprimeable number, because it can be changed into a prime (135199741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 113211 + ... + 114398.

It is an arithmetic number, because the mean of its divisors is an integer number (10242450).

Almost surely, 2^135199746 is an apocalyptic number.

135199746 is an abundant number, since it is smaller than the sum of its proper divisors (192558654).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

135199746 is a wasteful number, since it uses less digits than its factorization.

135199746 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227631 (or 227625 counting only the distinct ones).

The product of its digits is 204120, while the sum is 45.

The square root of 135199746 is about 11627.5425606617. The cubic root of 135199746 is about 513.2456673630.

The spelling of 135199746 in words is "one hundred thirty-five million, one hundred ninety-nine thousand, seven hundred forty-six".