133147610 has 8 divisors (see below), whose sum is σ = 239665716. Its totient is φ = 53259040.

The previous prime is 133147603. The next prime is 133147643. The reversal of 133147610 is 16741331.

It can be written as a sum of positive squares in 2 ways, for example, as 112635769 + 20511841 = 10613^2 + 4529^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 133147610.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6657371 + ... + 6657390.

Almost surely, 2^133147610 is an apocalyptic number.

133147610 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

133147610 is a deficient number, since it is larger than the sum of its proper divisors (106518106).

133147610 is a wasteful number, since it uses less digits than its factorization.

133147610 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13314768.

The product of its (nonzero) digits is 1512, while the sum is 26.

The square root of 133147610 is about 11538.9605251080. The cubic root of 133147610 is about 510.6356421384.

Adding to 133147610 its reverse (16741331), we get a palindrome (149888941).

The spelling of 133147610 in words is "one hundred thirty-three million, one hundred forty-seven thousand, six hundred ten".