133809926050 has 12 divisors (see below), whose sum is σ = 248886462546. Its totient is φ = 53523970400.

The previous prime is 133809926011. The next prime is 133809926051. The reversal of 133809926050 is 50629908331.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 83596735161 + 50213190889 = 289131^2 + 224083^2 .

It is not an unprimeable number, because it can be changed into a prime (133809926051) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1338099211 + ... + 1338099310.

Almost surely, 2^133809926050 is an apocalyptic number.

133809926050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

133809926050 is a deficient number, since it is larger than the sum of its proper divisors (115076536496).

133809926050 is a wasteful number, since it uses less digits than its factorization.

133809926050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2676198533 (or 2676198528 counting only the distinct ones).

The product of its (nonzero) digits is 349920, while the sum is 46.

The spelling of 133809926050 in words is "one hundred thirty-three billion, eight hundred nine million, nine hundred twenty-six thousand, fifty".