133939463 has 8 divisors (see below), whose sum is σ = 153462432. Its totient is φ = 114513696.

The previous prime is 133939459. The next prime is 133939471. The reversal of 133939463 is 364939331.

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

It is a cyclic number.

It is not a de Polignac number, because 133939463 - 2² = 133939459 is a prime.

It is a super-3 number, since 3×133939463³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 133939463.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133939423) 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, 21320 + ... + 26877.

It is an arithmetic number, because the mean of its divisors is an integer number (19182804).

Almost surely, 2^133939463 is an apocalyptic number.

133939463 is a deficient number, since it is larger than the sum of its proper divisors (19522969).

133939463 is an equidigital number, since it uses as much as digits as its factorization.

133939463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48601.

The product of its digits is 157464, while the sum is 41.

The square root of 133939463 is about 11573.2218072583. The cubic root of 133939463 is about 511.6459229472.

The spelling of 133939463 in words is "one hundred thirty-three million, nine hundred thirty-nine thousand, four hundred sixty-three".