133952389502 has 4 divisors (see below), whose sum is σ = 200928584256. Its totient is φ = 66976194750.

The previous prime is 133952389469. The next prime is 133952389523. The reversal of 133952389502 is 205983259331.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 205983259331 = 2689 ⋅76602179.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33488097374 + ... + 33488097377.

It is an arithmetic number, because the mean of its divisors is an integer number (50232146064).

Almost surely, 2^133952389502 is an apocalyptic number.

133952389502 is a deficient number, since it is larger than the sum of its proper divisors (66976194754).

133952389502 is an equidigital number, since it uses as much as digits as its factorization.

133952389502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66976194753.

The product of its (nonzero) digits is 1749600, while the sum is 50.

The spelling of 133952389502 in words is "one hundred thirty-three billion, nine hundred fifty-two million, three hundred eighty-nine thousand, five hundred two".