133219163450 has 24 divisors (see below), whose sum is σ = 249980465628. Its totient is φ = 52816090880.

The previous prime is 133219163419. The next prime is 133219163471. The reversal of 133219163450 is 54361912331.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 29436608041 + 103782555409 = 171571^2 + 322153^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11783657 + ... + 11794956.

Almost surely, 2^133219163450 is an apocalyptic number.

133219163450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

133219163450 is a deficient number, since it is larger than the sum of its proper divisors (116761302178).

133219163450 is a wasteful number, since it uses less digits than its factorization.

133219163450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23578738 (or 23578733 counting only the distinct ones).

The product of its (nonzero) digits is 58320, while the sum is 38.

The spelling of 133219163450 in words is "one hundred thirty-three billion, two hundred nineteen million, one hundred sixty-three thousand, four hundred fifty".