133770735 has 144 divisors (see below), whose sum is σ = 295925760. Its totient is φ = 55520640.

The previous prime is 133770727. The next prime is 133770757. The reversal of 133770735 is 537077331.

It is not a de Polignac number, because 133770735 - 2³ = 133770727 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 133770735.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 1298694 + ... + 1298796.

It is an arithmetic number, because the mean of its divisors is an integer number (2055040).

Almost surely, 2^133770735 is an apocalyptic number.

133770735 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

133770735 is an abundant number, since it is smaller than the sum of its proper divisors (162155025).

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

133770735 is a wasteful number, since it uses less digits than its factorization.

133770735 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178 (or 168 counting only the distinct ones).

The product of its (nonzero) digits is 46305, while the sum is 36.

The square root of 133770735 is about 11565.9299237026. The cubic root of 133770735 is about 511.4309868678.

The spelling of 133770735 in words is "one hundred thirty-three million, seven hundred seventy thousand, seven hundred thirty-five".