133545130 has 16 divisors (see below), whose sum is σ = 250833024. Its totient is φ = 51095440.

The previous prime is 133545121. The next prime is 133545131. The reversal of 133545130 is 31545331.

133545130 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 133545095 and 133545104.

It is not an unprimeable number, because it can be changed into a prime (133545131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 290086 + ... + 290545.

It is an arithmetic number, because the mean of its divisors is an integer number (15677064).

Almost surely, 2^133545130 is an apocalyptic number.

133545130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

133545130 is a deficient number, since it is larger than the sum of its proper divisors (117287894).

133545130 is a wasteful number, since it uses less digits than its factorization.

133545130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 580661.

The product of its (nonzero) digits is 2700, while the sum is 25.

The square root of 133545130 is about 11556.1728093690. The cubic root of 133545130 is about 511.1433147986.

The spelling of 133545130 in words is "one hundred thirty-three million, five hundred forty-five thousand, one hundred thirty".