133772351 has 2 divisors, whose sum is σ = 133772352. Its totient is φ = 133772350.

The previous prime is 133772341. The next prime is 133772357. The reversal of 133772351 is 153277331.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 133772351 - 2¹⁴ = 133755967 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (133772357) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66886175 + 66886176.

It is an arithmetic number, because the mean of its divisors is an integer number (66886176).

Almost surely, 2^133772351 is an apocalyptic number.

133772351 is a deficient number, since it is larger than the sum of its proper divisors (1).

133772351 is an equidigital number, since it uses as much as digits as its factorization.

133772351 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13230, while the sum is 32.

The square root of 133772351 is about 11565.9997838492. Note that the first 3 decimals coincide. The cubic root of 133772351 is about 511.4330462847.

The spelling of 133772351 in words is "one hundred thirty-three million, seven hundred seventy-two thousand, three hundred fifty-one".