133349749644 has 24 divisors (see below), whose sum is σ = 327525701440. Its totient is φ = 42110447184.

The previous prime is 133349749607. The next prime is 133349749649. The reversal of 133349749644 is 446947943331.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is not an unprimeable number, because it can be changed into a prime (133349749649) 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, 292433434 + ... + 292433889.

Almost surely, 2^133349749644 is an apocalyptic number.

It is an amenable number.

133349749644 is an abundant number, since it is smaller than the sum of its proper divisors (194175951796).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

133349749644 is a wasteful number, since it uses less digits than its factorization.

133349749644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 584867349 (or 584867347 counting only the distinct ones).

The product of its digits is 23514624, while the sum is 57.

The spelling of 133349749644 in words is "one hundred thirty-three billion, three hundred forty-nine million, seven hundred forty-nine thousand, six hundred forty-four".