133242073502 has 4 divisors (see below), whose sum is σ = 199863110256. Its totient is φ = 66621036750.

The previous prime is 133242073469. The next prime is 133242073537. The reversal of 133242073502 is 205370242331.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×133242073502² (a number of 23 digits) contains 22 as substring.

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, 33310518374 + ... + 33310518377.

It is an arithmetic number, because the mean of its divisors is an integer number (49965777564).

Almost surely, 2^133242073502 is an apocalyptic number.

133242073502 is a deficient number, since it is larger than the sum of its proper divisors (66621036754).

133242073502 is an equidigital number, since it uses as much as digits as its factorization.

133242073502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66621036753.

The product of its (nonzero) digits is 30240, while the sum is 32.

The spelling of 133242073502 in words is "one hundred thirty-three billion, two hundred forty-two million, seventy-three thousand, five hundred two".