133782057 has 16 divisors (see below), whose sum is σ = 203031360. Its totient is φ = 87012000.

The previous prime is 133782037. The next prime is 133782067. The reversal of 133782057 is 750287331.

It is not a de Polignac number, because 133782057 - 2¹² = 133777961 is a prime.

It is not an unprimeable number, because it can be changed into a prime (133782037) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 59319 + ... + 61532.

It is an arithmetic number, because the mean of its divisors is an integer number (12689460).

Almost surely, 2^133782057 is an apocalyptic number.

It is an amenable number.

133782057 is a deficient number, since it is larger than the sum of its proper divisors (69249303).

133782057 is a wasteful number, since it uses less digits than its factorization.

133782057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120901 (or 120895 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 36.

The square root of 133782057 is about 11566.4193681537. The cubic root of 133782057 is about 511.4454151812.

The spelling of 133782057 in words is "one hundred thirty-three million, seven hundred eighty-two thousand, fifty-seven".