133119747 has 16 divisors (see below), whose sum is σ = 202546080. Its totient is φ = 86347296.

The previous prime is 133119739. The next prime is 133119769. The reversal of 133119747 is 747911331.

It is not a de Polignac number, because 133119747 - 2³ = 133119739 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (133119737) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 65628 + ... + 67625.

It is an arithmetic number, because the mean of its divisors is an integer number (12659130).

Almost surely, 2^133119747 is an apocalyptic number.

133119747 is a deficient number, since it is larger than the sum of its proper divisors (69426333).

133119747 is a wasteful number, since it uses less digits than its factorization.

133119747 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133299 (or 133293 counting only the distinct ones).

The product of its digits is 15876, while the sum is 36.

The square root of 133119747 is about 11537.7531174835. The cubic root of 133119747 is about 510.6000204363.

The spelling of 133119747 in words is "one hundred thirty-three million, one hundred nineteen thousand, seven hundred forty-seven".