133961950 has 12 divisors (see below), whose sum is σ = 249169320. Its totient is φ = 53584760.

The previous prime is 133961939. The next prime is 133961969. The reversal of 133961950 is 59169331.

It is a congruent number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 1339570 + ... + 1339669.

It is an arithmetic number, because the mean of its divisors is an integer number (20764110).

Almost surely, 2^133961950 is an apocalyptic number.

133961950 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

133961950 is a deficient number, since it is larger than the sum of its proper divisors (115207370).

133961950 is a wasteful number, since it uses less digits than its factorization.

133961950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2679251 (or 2679246 counting only the distinct ones).

The product of its (nonzero) digits is 21870, while the sum is 37.

The square root of 133961950 is about 11574.1932764232. The cubic root of 133961950 is about 511.6745546335.

The spelling of 133961950 in words is "one hundred thirty-three million, nine hundred sixty-one thousand, nine hundred fifty".