133502198487 has 12 divisors (see below), whose sum is σ = 207064634616. Its totient is φ = 76286970480.

The previous prime is 133502198413. The next prime is 133502198521. The reversal of 133502198487 is 784891205331.

It is not a de Polignac number, because 133502198487 - 2⁸ = 133502198231 is a prime.

It is a super-4 number, since 4×133502198487⁴ (a number of 46 digits) contains 4444 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133502198587) 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, 454088964 + ... + 454089257.

It is an arithmetic number, because the mean of its divisors is an integer number (17255386218).

Almost surely, 2^133502198487 is an apocalyptic number.

133502198487 is a deficient number, since it is larger than the sum of its proper divisors (73562436129).

133502198487 is an equidigital number, since it uses as much as digits as its factorization.

133502198487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 908178238 (or 908178231 counting only the distinct ones).

The product of its (nonzero) digits is 1451520, while the sum is 51.

The spelling of 133502198487 in words is "one hundred thirty-three billion, five hundred two million, one hundred ninety-eight thousand, four hundred eighty-seven".