133724070625 has 10 divisors (see below), whose sum is σ = 167101599434. Its totient is φ = 106979256000.

The previous prime is 133724070593. The next prime is 133724070631. The reversal of 133724070625 is 526070427331.

It can be written as a sum of positive squares in 5 ways, for example, as 79368412176 + 54355658449 = 281724^2 + 233143^2 .

It is not a de Polignac number, because 133724070625 - 2⁵ = 133724070593 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 106978632 + ... + 106979881.

Almost surely, 2^133724070625 is an apocalyptic number.

It is an amenable number.

133724070625 is a deficient number, since it is larger than the sum of its proper divisors (33377528809).

133724070625 is an frugal number, since it uses more digits than its factorization.

133724070625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213958533 (or 213958518 counting only the distinct ones).

The product of its (nonzero) digits is 211680, while the sum is 40.

Adding to 133724070625 its reverse (526070427331), we get a palindrome (659794497956).

The spelling of 133724070625 in words is "one hundred thirty-three billion, seven hundred twenty-four million, seventy thousand, six hundred twenty-five".