133238142635254 has 4 divisors (see below), whose sum is σ = 199857213952884. Its totient is φ = 66619071317626.

The previous prime is 133238142635239. The next prime is 133238142635263. The reversal of 133238142635254 is 452536241832331.

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, 33309535658812 + ... + 33309535658815.

It is an arithmetic number, because the mean of its divisors is an integer number (49964303488221).

Almost surely, 2^{133238142635254} is an apocalyptic number.

133238142635254 is a deficient number, since it is larger than the sum of its proper divisors (66619071317630).

133238142635254 is an equidigital number, since it uses as much as digits as its factorization.

133238142635254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66619071317629.

The product of its digits is 12441600, while the sum is 52.

The spelling of 133238142635254 in words is "one hundred thirty-three trillion, two hundred thirty-eight billion, one hundred forty-two million, six hundred thirty-five thousand, two hundred fifty-four".