133480742 has 16 divisors (see below), whose sum is σ = 201822192. Its totient is φ = 66209280.

The previous prime is 133480741. The next prime is 133480751. The reversal of 133480742 is 247084331.

It is a junction number, because it is equal to n+sod(n) for n = 133480699 and 133480708.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133480741) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 224798 + ... + 225390.

It is an arithmetic number, because the mean of its divisors is an integer number (12613887).

Almost surely, 2^133480742 is an apocalyptic number.

133480742 is a deficient number, since it is larger than the sum of its proper divisors (68341450).

133480742 is a wasteful number, since it uses less digits than its factorization.

133480742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1303.

The product of its (nonzero) digits is 16128, while the sum is 32.

The square root of 133480742 is about 11553.3866030701. The cubic root of 133480742 is about 511.0611533437.

The spelling of 133480742 in words is "one hundred thirty-three million, four hundred eighty thousand, seven hundred forty-two".