135953542 has 4 divisors (see below), whose sum is σ = 203930316. Its totient is φ = 67976770.

The previous prime is 135953527. The next prime is 135953557. The reversal of 135953542 is 245359531.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 245359531 = 229 ⋅1071439.

It is an interprime number because it is at equal distance from previous prime (135953527) and next prime (135953557).

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, 33988384 + ... + 33988387.

It is an arithmetic number, because the mean of its divisors is an integer number (50982579).

Almost surely, 2^135953542 is an apocalyptic number.

135953542 is a deficient number, since it is larger than the sum of its proper divisors (67976774).

135953542 is an equidigital number, since it uses as much as digits as its factorization.

135953542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67976773.

The product of its digits is 81000, while the sum is 37.

The square root of 135953542 is about 11659.9117492372. The cubic root of 135953542 is about 514.1977543057.

The spelling of 135953542 in words is "one hundred thirty-five million, nine hundred fifty-three thousand, five hundred forty-two".