133579742 has 16 divisors (see below), whose sum is σ = 207552240. Its totient is φ = 64401792.

The previous prime is 133579741. The next prime is 133579759. The reversal of 133579742 is 247975331.

It is a super-3 number, since 3×133579742³ (a number of 25 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 133579742.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133579741) 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, 85238 + ... + 86790.

It is an arithmetic number, because the mean of its divisors is an integer number (12972015).

Almost surely, 2^133579742 is an apocalyptic number.

133579742 is a deficient number, since it is larger than the sum of its proper divisors (73972498).

133579742 is a wasteful number, since it uses less digits than its factorization.

133579742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3067.

The product of its digits is 158760, while the sum is 41.

The square root of 133579742 is about 11557.6702669699. The cubic root of 133579742 is about 511.1874700695.

The spelling of 133579742 in words is "one hundred thirty-three million, five hundred seventy-nine thousand, seven hundred forty-two".