133337438 has 8 divisors (see below), whose sum is σ = 215391288. Its totient is φ = 61540344.

The previous prime is 133337387. The next prime is 133337471. The reversal of 133337438 is 834733331.

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

It is a junction number, because it is equal to n+sod(n) for n = 133337398 and 133337407.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2564156 + ... + 2564207.

It is an arithmetic number, because the mean of its divisors is an integer number (26923911).

Almost surely, 2^133337438 is an apocalyptic number.

133337438 is a deficient number, since it is larger than the sum of its proper divisors (82053850).

133337438 is a wasteful number, since it uses less digits than its factorization.

133337438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5128378.

The product of its digits is 54432, while the sum is 35.

The square root of 133337438 is about 11547.1831197050. The cubic root of 133337438 is about 510.8781972832.

The spelling of 133337438 in words is "one hundred thirty-three million, three hundred thirty-seven thousand, four hundred thirty-eight".