133087522 has 8 divisors (see below), whose sum is σ = 208310976. Its totient is φ = 63650532.

The previous prime is 133087459. The next prime is 133087523. The reversal of 133087522 is 225780331.

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

It is not an unprimeable number, because it can be changed into a prime (133087523) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1446558 + ... + 1446649.

It is an arithmetic number, because the mean of its divisors is an integer number (26038872).

Almost surely, 2^133087522 is an apocalyptic number.

133087522 is a deficient number, since it is larger than the sum of its proper divisors (75223454).

133087522 is a wasteful number, since it uses less digits than its factorization.

133087522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2893232.

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 133087522 is about 11536.3565305516. The cubic root of 133087522 is about 510.5588158970.

The spelling of 133087522 in words is "one hundred thirty-three million, eighty-seven thousand, five hundred twenty-two".