133781362 has 32 divisors (see below), whose sum is σ = 237250944. Its totient is φ = 55776000.

The previous prime is 133781359. The next prime is 133781371. The reversal of 133781362 is 263187331.

133781362 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46362 + ... + 49162.

It is an arithmetic number, because the mean of its divisors is an integer number (7414092).

Almost surely, 2^133781362 is an apocalyptic number.

133781362 is a deficient number, since it is larger than the sum of its proper divisors (103469582).

133781362 is a wasteful number, since it uses less digits than its factorization.

133781362 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2994.

The product of its digits is 18144, while the sum is 34.

The square root of 133781362 is about 11566.3893242446. The cubic root of 133781362 is about 511.4445295239. Note that the first 3 decimals are identical.

The spelling of 133781362 in words is "one hundred thirty-three million, seven hundred eighty-one thousand, three hundred sixty-two".