133770131 has 8 divisors (see below), whose sum is σ = 149036544. Its totient is φ = 119021320.

The previous prime is 133770113. The next prime is 133770137. The reversal of 133770131 is 131077331.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 133770131 - 2⁶ = 133770067 is a prime.

It is a super-2 number, since 2×133770131² = 35788895895514322, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 133770131.

It is not an unprimeable number, because it can be changed into a prime (133770137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 128855 + ... + 129888.

It is an arithmetic number, because the mean of its divisors is an integer number (18629568).

Almost surely, 2^133770131 is an apocalyptic number.

133770131 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

133770131 is a deficient number, since it is larger than the sum of its proper divisors (15266413).

133770131 is a wasteful number, since it uses less digits than its factorization.

133770131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 258801.

The product of its (nonzero) digits is 1323, while the sum is 26.

The square root of 133770131 is about 11565.9038124999. The cubic root of 133770131 is about 511.4302171309.

The spelling of 133770131 in words is "one hundred thirty-three million, seven hundred seventy thousand, one hundred thirty-one".