133752215 has 8 divisors (see below), whose sum is σ = 160590768. Its totient is φ = 106943040.

The previous prime is 133752193. The next prime is 133752221. The reversal of 133752215 is 512257331.

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

It is not a de Polignac number, because 133752215 - 2¹² = 133748119 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4379 + ... + 16931.

It is an arithmetic number, because the mean of its divisors is an integer number (20073846).

Almost surely, 2^133752215 is an apocalyptic number.

133752215 is a deficient number, since it is larger than the sum of its proper divisors (26838553).

133752215 is a wasteful number, since it uses less digits than its factorization.

133752215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14689.

The product of its digits is 6300, while the sum is 29.

The square root of 133752215 is about 11565.1292686247. The cubic root of 133752215 is about 511.4073839499.

The spelling of 133752215 in words is "one hundred thirty-three million, seven hundred fifty-two thousand, two hundred fifteen".