133154025 has 12 divisors (see below), whose sum is σ = 220148112. Its totient is φ = 71015440.

The previous prime is 133154017. The next prime is 133154027. The reversal of 133154025 is 520451331.

It is not a de Polignac number, because 133154025 - 2³ = 133154017 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 133153986 and 133154004.

It is not an unprimeable number, because it can be changed into a prime (133154027) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 887619 + ... + 887768.

It is an arithmetic number, because the mean of its divisors is an integer number (18345676).

Almost surely, 2^133154025 is an apocalyptic number.

133154025 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

133154025 is a deficient number, since it is larger than the sum of its proper divisors (86994087).

133154025 is a wasteful number, since it uses less digits than its factorization.

133154025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1775400 (or 1775395 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 133154025 is about 11539.2384930722. The cubic root of 133154025 is about 510.6438427488.

The spelling of 133154025 in words is "one hundred thirty-three million, one hundred fifty-four thousand, twenty-five".