135272670542 has 4 divisors (see below), whose sum is σ = 202909005816. Its totient is φ = 67636335270.

The previous prime is 135272670539. The next prime is 135272670571. The reversal of 135272670542 is 245076272531.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 245076272531 = 881 ⋅278179651.

It is a junction number, because it is equal to n+sod(n) for n = 135272670493 and 135272670502.

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, 33818167634 + ... + 33818167637.

It is an arithmetic number, because the mean of its divisors is an integer number (50727251454).

Almost surely, 2^135272670542 is an apocalyptic number.

135272670542 is a deficient number, since it is larger than the sum of its proper divisors (67636335274).

135272670542 is an equidigital number, since it uses as much as digits as its factorization.

135272670542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67636335273.

The product of its (nonzero) digits is 705600, while the sum is 44.

The spelling of 135272670542 in words is "one hundred thirty-five billion, two hundred seventy-two million, six hundred seventy thousand, five hundred forty-two".