133359137 has 4 divisors (see below), whose sum is σ = 136963476. Its totient is φ = 129754800.

The previous prime is 133359133. The next prime is 133359143. The reversal of 133359137 is 731953331.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 731953331 = 5897 ⋅124123.

It can be written as a sum of positive squares in 2 ways, for example, as 122855056 + 10504081 = 11084^2 + 3241^2 .

It is a cyclic number.

It is not a de Polignac number, because 133359137 - 2² = 133359133 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 133359097 and 133359106.

It is not an unprimeable number, because it can be changed into a prime (133359131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1802114 + ... + 1802187.

It is an arithmetic number, because the mean of its divisors is an integer number (34240869).

Almost surely, 2^133359137 is an apocalyptic number.

It is an amenable number.

133359137 is a deficient number, since it is larger than the sum of its proper divisors (3604339).

133359137 is an equidigital number, since it uses as much as digits as its factorization.

133359137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3604338.

The product of its digits is 25515, while the sum is 35.

The square root of 133359137 is about 11548.1226612814. The cubic root of 133359137 is about 510.9059087919.

The spelling of 133359137 in words is "one hundred thirty-three million, three hundred fifty-nine thousand, one hundred thirty-seven".