133770855 has 16 divisors (see below), whose sum is σ = 214616160. Its totient is φ = 71150208.

The previous prime is 133770839. The next prime is 133770899. The reversal of 133770855 is 558077331.

It is not a de Polignac number, because 133770855 - 2⁴ = 133770839 is a prime.

It is a congruent number.

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, 6360 + ... + 17549.

It is an arithmetic number, because the mean of its divisors is an integer number (13413510).

Almost surely, 2^133770855 is an apocalyptic number.

133770855 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

133770855 is a deficient number, since it is larger than the sum of its proper divisors (80845305).

133770855 is a wasteful number, since it uses less digits than its factorization.

133770855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24290.

The product of its (nonzero) digits is 88200, while the sum is 39.

The square root of 133770855 is about 11565.9351113518. The cubic root of 133770855 is about 511.4311397953.

The spelling of 133770855 in words is "one hundred thirty-three million, seven hundred seventy thousand, eight hundred fifty-five".