133087461 has 8 divisors (see below), whose sum is σ = 191100000. Its totient is φ = 81899952.

The previous prime is 133087459. The next prime is 133087523. The reversal of 133087461 is 164780331.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 133087461 - 2¹ = 133087459 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133087411) 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, 1706211 + ... + 1706288.

It is an arithmetic number, because the mean of its divisors is an integer number (23887500).

Almost surely, 2^133087461 is an apocalyptic number.

It is an amenable number.

133087461 is a deficient number, since it is larger than the sum of its proper divisors (58012539).

133087461 is a wasteful number, since it uses less digits than its factorization.

133087461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3412515.

The product of its (nonzero) digits is 12096, while the sum is 33.

The square root of 133087461 is about 11536.3538867356. The cubic root of 133087461 is about 510.5587378930.

The spelling of 133087461 in words is "one hundred thirty-three million, eighty-seven thousand, four hundred sixty-one".