135446949 has 24 divisors (see below), whose sum is σ = 217058400. Its totient is φ = 80694240.

The previous prime is 135446933. The next prime is 135446951. The reversal of 135446949 is 949644531.

135446949 is a `hidden beast` number, since 1 + 3 + 544 + 69 + 49 = 666.

It is not a de Polignac number, because 135446949 - 2⁴ = 135446933 is a prime.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135446749) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5754 + ... + 17435.

It is an arithmetic number, because the mean of its divisors is an integer number (9044100).

Almost surely, 2^135446949 is an apocalyptic number.

It is an amenable number.

135446949 is a deficient number, since it is larger than the sum of its proper divisors (81611451).

135446949 is a wasteful number, since it uses less digits than its factorization.

135446949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23265 (or 23262 counting only the distinct ones).

The product of its digits is 466560, while the sum is 45.

The square root of 135446949 is about 11638.1677681669. The cubic root of 135446949 is about 513.5582878205.

The spelling of 135446949 in words is "one hundred thirty-five million, four hundred forty-six thousand, nine hundred forty-nine".