133023403250 has 64 divisors (see below), whose sum is σ = 268519829760. Its totient is φ = 49179312000.

The previous prime is 133023403217. The next prime is 133023403277. The reversal of 133023403250 is 52304320331.

It is a happy number.

It is a super-2 number, since 2×133023403250² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 146774 + ... + 536273.

It is an arithmetic number, because the mean of its divisors is an integer number (4195622340).

Almost surely, 2^133023403250 is an apocalyptic number.

133023403250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

133023403250 is an abundant number, since it is smaller than the sum of its proper divisors (135496426510).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

133023403250 is a wasteful number, since it uses less digits than its factorization.

133023403250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 683124 (or 683114 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 26.

Adding to 133023403250 its reverse (52304320331), we get a palindrome (185327723581).

The spelling of 133023403250 in words is "one hundred thirty-three billion, twenty-three million, four hundred three thousand, two hundred fifty".