133878495 has 8 divisors (see below), whose sum is σ = 214205616. Its totient is φ = 71401856.

The previous prime is 133878467. The next prime is 133878509. The reversal of 133878495 is 594878331.

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 133878495 - 2¹¹ = 133876447 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4462602 + ... + 4462631.

It is an arithmetic number, because the mean of its divisors is an integer number (26775702).

Almost surely, 2^133878495 is an apocalyptic number.

133878495 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

133878495 is a deficient number, since it is larger than the sum of its proper divisors (80327121).

133878495 is an equidigital number, since it uses as much as digits as its factorization.

133878495 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8925241.

The product of its digits is 725760, while the sum is 48.

The square root of 133878495 is about 11570.5874958880. The cubic root of 133878495 is about 511.5682790072.

The spelling of 133878495 in words is "one hundred thirty-three million, eight hundred seventy-eight thousand, four hundred ninety-five".