135638026214 has 4 divisors (see below), whose sum is σ = 203457039324. Its totient is φ = 67819013106.

The previous prime is 135638026213. The next prime is 135638026283. The reversal of 135638026214 is 412620836531.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135638026213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33909506552 + ... + 33909506555.

It is an arithmetic number, because the mean of its divisors is an integer number (50864259831).

Almost surely, 2^135638026214 is an apocalyptic number.

135638026214 is a deficient number, since it is larger than the sum of its proper divisors (67819013110).

135638026214 is an equidigital number, since it uses as much as digits as its factorization.

135638026214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67819013109.

The product of its (nonzero) digits is 207360, while the sum is 41.

The spelling of 135638026214 in words is "one hundred thirty-five billion, six hundred thirty-eight million, twenty-six thousand, two hundred fourteen".