133606072429 has 4 divisors (see below), whose sum is σ = 134078178976. Its totient is φ = 133133965884.

The previous prime is 133606072367. The next prime is 133606072451. The reversal of 133606072429 is 924270606331.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 924270606331 = 26981 ⋅34256351.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-133606072429 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133606072459) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 236052849 + ... + 236053414.

It is an arithmetic number, because the mean of its divisors is an integer number (33519544744).

Almost surely, 2^133606072429 is an apocalyptic number.

It is an amenable number.

133606072429 is a deficient number, since it is larger than the sum of its proper divisors (472106547).

133606072429 is an equidigital number, since it uses as much as digits as its factorization.

133606072429 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 472106546.

The product of its (nonzero) digits is 326592, while the sum is 43.

The spelling of 133606072429 in words is "one hundred thirty-three billion, six hundred six million, seventy-two thousand, four hundred twenty-nine".