133525231230250 has 32 divisors (see below), whose sum is σ = 256714887823056. Its totient is φ = 51966576475200.

The previous prime is 133525231230239. The next prime is 133525231230269. The reversal of 133525231230250 is 52032132525331.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 13759151304889 + 119766079925361 = 3709333^2 + 10943769^2 .

It is a Harshad number since it is a multiple of its sum of digits (37).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7217570817 + ... + 7217589316.

Almost surely, 2^{133525231230250} is an apocalyptic number.

133525231230250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

133525231230250 is a deficient number, since it is larger than the sum of its proper divisors (123189656592806).

133525231230250 is a wasteful number, since it uses less digits than its factorization.

133525231230250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14435160187 (or 14435160177 counting only the distinct ones).

The product of its (nonzero) digits is 162000, while the sum is 37.

Adding to 133525231230250 its reverse (52032132525331), we get a palindrome (185557363755581).

The spelling of 133525231230250 in words is "one hundred thirty-three trillion, five hundred twenty-five billion, two hundred thirty-one million, two hundred thirty thousand, two hundred fifty".