133300121121542 has 4 divisors (see below), whose sum is σ = 199950181682316. Its totient is φ = 66650060560770.

The previous prime is 133300121121473. The next prime is 133300121121571. The reversal of 133300121121542 is 245121121003331.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33325030280384 + ... + 33325030280387.

It is an arithmetic number, because the mean of its divisors is an integer number (49987545420579).

Almost surely, 2^{133300121121542} is an apocalyptic number.

133300121121542 is a deficient number, since it is larger than the sum of its proper divisors (66650060560774).

133300121121542 is an equidigital number, since it uses as much as digits as its factorization.

133300121121542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66650060560773.

The product of its (nonzero) digits is 4320, while the sum is 29.

Adding to 133300121121542 its reverse (245121121003331), we get a palindrome (378421242124873).

The spelling of 133300121121542 in words is "one hundred thirty-three trillion, three hundred billion, one hundred twenty-one million, one hundred twenty-one thousand, five hundred forty-two".