133706552351 has 4 divisors (see below), whose sum is σ = 135030379704. Its totient is φ = 132382725000.

The previous prime is 133706552299. The next prime is 133706552387. The reversal of 133706552351 is 153255607331.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-133706552351 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 133706552299 and 133706552308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133706552051) 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, 661913525 + ... + 661913726.

It is an arithmetic number, because the mean of its divisors is an integer number (33757594926).

Almost surely, 2^133706552351 is an apocalyptic number.

133706552351 is a deficient number, since it is larger than the sum of its proper divisors (1323827353).

133706552351 is a wasteful number, since it uses less digits than its factorization.

133706552351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1323827352.

The product of its (nonzero) digits is 283500, while the sum is 41.

The spelling of 133706552351 in words is "one hundred thirty-three billion, seven hundred six million, five hundred fifty-two thousand, three hundred fifty-one".