135667966 has 24 divisors (see below), whose sum is σ = 244368576. Its totient is φ = 56266560.

The previous prime is 135667957. The next prime is 135667979. The reversal of 135667966 is 669766531.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19291 + ... + 25366.

It is an arithmetic number, because the mean of its divisors is an integer number (10182024).

Almost surely, 2^135667966 is an apocalyptic number.

135667966 is a deficient number, since it is larger than the sum of its proper divisors (108700610).

135667966 is a wasteful number, since it uses less digits than its factorization.

135667966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44704 (or 44697 counting only the distinct ones).

The product of its digits is 1224720, while the sum is 49.

The square root of 135667966 is about 11647.6592498235. The cubic root of 135667966 is about 513.8374707555.

The spelling of 135667966 in words is "one hundred thirty-five million, six hundred sixty-seven thousand, nine hundred sixty-six".