133977195 has 48 divisors (see below), whose sum is σ = 261540864. Its totient is φ = 62856000.

The previous prime is 133977157. The next prime is 133977199. The reversal of 133977195 is 591779331.

It is not a de Polignac number, because 133977195 - 2⁶ = 133977131 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 133977195.

It is not an unprimeable number, because it can be changed into a prime (133977199) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 10980 + ... + 19710.

It is an arithmetic number, because the mean of its divisors is an integer number (5448768).

Almost surely, 2^133977195 is an apocalyptic number.

133977195 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

133977195 is a deficient number, since it is larger than the sum of its proper divisors (127563669).

133977195 is a wasteful number, since it uses less digits than its factorization.

133977195 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8784 (or 8781 counting only the distinct ones).

The product of its digits is 178605, while the sum is 45.

The square root of 133977195 is about 11574.8518349048. The cubic root of 133977195 is about 511.6939635843.

The spelling of 133977195 in words is "one hundred thirty-three million, nine hundred seventy-seven thousand, one hundred ninety-five".