133310423689 has 15 divisors (see below), whose sum is σ = 137530162903. Its totient is φ = 129219287704.

The previous prime is 133310423683. The next prime is 133310423707. The reversal of 133310423689 is 986324013331.

It is a happy number.

The square root of 133310423689 is 365117.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 96103100025 + 37207323664 = 310005^2 + 192892^2 .

It is not a de Polignac number, because 133310423689 - 2²¹ = 133308326537 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (133310423683) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 1606149642 + ... + 1606149724.

Almost surely, 2^133310423689 is an apocalyptic number.

133310423689 is the 365117-th square number.

133310423689 is the 182559-th centered octagonal number.

It is an amenable number.

133310423689 is a deficient number, since it is larger than the sum of its proper divisors (4219739214).

133310423689 is an frugal number, since it uses more digits than its factorization.

133310423689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 438 (or 136 counting only the distinct ones).

The product of its (nonzero) digits is 279936, while the sum is 43.

The spelling of 133310423689 in words is "one hundred thirty-three billion, three hundred ten million, four hundred twenty-three thousand, six hundred eighty-nine".