133782456 has 32 divisors (see below), whose sum is σ = 335237760. Its totient is φ = 44489952.

The previous prime is 133782419. The next prime is 133782511. The reversal of 133782456 is 654287331.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

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, 4341 + ... + 16923.

It is an arithmetic number, because the mean of its divisors is an integer number (10476180).

Almost surely, 2^133782456 is an apocalyptic number.

It is an amenable number.

133782456 is an abundant number, since it is smaller than the sum of its proper divisors (201455304).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

133782456 is a wasteful number, since it uses less digits than its factorization.

133782456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13035 (or 13031 counting only the distinct ones).

The product of its digits is 120960, while the sum is 39.

The square root of 133782456 is about 11566.4366163482. The cubic root of 133782456 is about 511.4459236363.

The spelling of 133782456 in words is "one hundred thirty-three million, seven hundred eighty-two thousand, four hundred fifty-six".