133198525346 has 4 divisors (see below), whose sum is σ = 199797788022. Its totient is φ = 66599262672.

The previous prime is 133198525337. The next prime is 133198525423. The reversal of 133198525346 is 643525891331.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 132995149225 + 203376121 = 364685^2 + 14261^2 .

It is a junction number, because it is equal to n+sod(n) for n = 133198525294 and 133198525303.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33299631335 + ... + 33299631338.

Almost surely, 2^133198525346 is an apocalyptic number.

133198525346 is a deficient number, since it is larger than the sum of its proper divisors (66599262676).

133198525346 is an equidigital number, since it uses as much as digits as its factorization.

133198525346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66599262675.

The product of its digits is 2332800, while the sum is 50.

The spelling of 133198525346 in words is "one hundred thirty-three billion, one hundred ninety-eight million, five hundred twenty-five thousand, three hundred forty-six".