133070755 has 32 divisors (see below), whose sum is σ = 173813760. Its totient is φ = 97511040.

The previous prime is 133070741. The next prime is 133070761. The reversal of 133070755 is 557070331.

It is a happy number.

It is not a de Polignac number, because 133070755 - 2⁵ = 133070723 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 580981 + ... + 581209.

It is an arithmetic number, because the mean of its divisors is an integer number (5431680).

Almost surely, 2^133070755 is an apocalyptic number.

133070755 is a deficient number, since it is larger than the sum of its proper divisors (40743005).

133070755 is a wasteful number, since it uses less digits than its factorization.

133070755 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 451.

The product of its (nonzero) digits is 11025, while the sum is 31.

The square root of 133070755 is about 11535.6298050865. The cubic root of 133070755 is about 510.5373741193.

The spelling of 133070755 in words is "one hundred thirty-three million, seventy thousand, seven hundred fifty-five".