135554442502 has 4 divisors (see below), whose sum is σ = 203331663756. Its totient is φ = 67777221250.

The previous prime is 135554442473. The next prime is 135554442503. The reversal of 135554442502 is 205244455531.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 205244455531 = 30341 ⋅6764591.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135554442503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33888610624 + ... + 33888610627.

It is an arithmetic number, because the mean of its divisors is an integer number (50832915939).

Almost surely, 2^135554442502 is an apocalyptic number.

135554442502 is a deficient number, since it is larger than the sum of its proper divisors (67777221254).

135554442502 is an equidigital number, since it uses as much as digits as its factorization.

135554442502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67777221253.

The product of its (nonzero) digits is 480000, while the sum is 40.

The spelling of 135554442502 in words is "one hundred thirty-five billion, five hundred fifty-four million, four hundred forty-two thousand, five hundred two".