135025223534 has 4 divisors (see below), whose sum is σ = 202537835304. Its totient is φ = 67512611766.

The previous prime is 135025223533. The next prime is 135025223537. The reversal of 135025223534 is 435322520531.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 435322520531 = 1789 ⋅243332879.

It is a junction number, because it is equal to n+sod(n) for n = 135025223494 and 135025223503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135025223533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33756305882 + ... + 33756305885.

It is an arithmetic number, because the mean of its divisors is an integer number (50634458826).

Almost surely, 2^135025223534 is an apocalyptic number.

135025223534 is a deficient number, since it is larger than the sum of its proper divisors (67512611770).

135025223534 is an equidigital number, since it uses as much as digits as its factorization.

135025223534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67512611769.

The product of its (nonzero) digits is 108000, while the sum is 35.

The spelling of 135025223534 in words is "one hundred thirty-five billion, twenty-five million, two hundred twenty-three thousand, five hundred thirty-four".