135240514642 has 4 divisors (see below), whose sum is σ = 202860771966. Its totient is φ = 67620257320.

The previous prime is 135240514589. The next prime is 135240514691. The reversal of 135240514642 is 246415042531.

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

It can be written as a sum of positive squares in only one way, i.e., 134564982561 + 675532081 = 366831^2 + 25991^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33810128659 + ... + 33810128662.

Almost surely, 2^135240514642 is an apocalyptic number.

135240514642 is a deficient number, since it is larger than the sum of its proper divisors (67620257324).

135240514642 is an equidigital number, since it uses as much as digits as its factorization.

135240514642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67620257323.

The product of its (nonzero) digits is 115200, while the sum is 37.

The spelling of 135240514642 in words is "one hundred thirty-five billion, two hundred forty million, five hundred fourteen thousand, six hundred forty-two".