133113487 has 8 divisors (see below), whose sum is σ = 150898160. Its totient is φ = 116406720.

The previous prime is 133113479. The next prime is 133113527. The reversal of 133113487 is 784311331.

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

It is a cyclic number.

It is not a de Polignac number, because 133113487 - 2³ = 133113479 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133113467) 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, 269214 + ... + 269707.

It is an arithmetic number, because the mean of its divisors is an integer number (18862270).

Almost surely, 2^133113487 is an apocalyptic number.

133113487 is a deficient number, since it is larger than the sum of its proper divisors (17784673).

133113487 is a wasteful number, since it uses less digits than its factorization.

133113487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 538953.

The product of its digits is 6048, while the sum is 31.

The square root of 133113487 is about 11537.4818309716. The cubic root of 133113487 is about 510.5920165994.

The spelling of 133113487 in words is "one hundred thirty-three million, one hundred thirteen thousand, four hundred eighty-seven".