133012154 has 32 divisors (see below), whose sum is σ = 227154240. Its totient is φ = 58341360.

The previous prime is 133012153. The next prime is 133012189. The reversal of 133012154 is 451210331.

It is a super-2 number, since 2×133012154² = 35384466223439432, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (133012153) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 76337 + ... + 78059.

It is an arithmetic number, because the mean of its divisors is an integer number (7098570).

Almost surely, 2^133012154 is an apocalyptic number.

133012154 is a deficient number, since it is larger than the sum of its proper divisors (94142086).

133012154 is a wasteful number, since it uses less digits than its factorization.

133012154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1787 (or 1765 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 133012154 is about 11533.0895253614. The cubic root of 133012154 is about 510.4624205267.

Adding to 133012154 its reverse (451210331), we get a palindrome (584222485).

The spelling of 133012154 in words is "one hundred thirty-three million, twelve thousand, one hundred fifty-four".