133678850 has 12 divisors (see below), whose sum is σ = 248642754. Its totient is φ = 53471520.

The previous prime is 133678849. The next prime is 133678903. The reversal of 133678850 is 58876331.

It can be written as a sum of positive squares in 3 ways, for example, as 72573361 + 61105489 = 8519^2 + 7817^2 .

It is a junction number, because it is equal to n+sod(n) for n = 133678798 and 133678807.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1336739 + ... + 1336838.

Almost surely, 2^133678850 is an apocalyptic number.

133678850 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

133678850 is a deficient number, since it is larger than the sum of its proper divisors (114963904).

133678850 is a wasteful number, since it uses less digits than its factorization.

133678850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2673589 (or 2673584 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 41.

The square root of 133678850 is about 11561.9570142775. The cubic root of 133678850 is about 511.3138620973.

The spelling of 133678850 in words is "one hundred thirty-three million, six hundred seventy-eight thousand, eight hundred fifty".