135102554 has 4 divisors (see below), whose sum is σ = 202653834. Its totient is φ = 67551276.

The previous prime is 135102551. The next prime is 135102571. The reversal of 135102554 is 455201531.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 455201531 = 269 ⋅1692199.

It can be written as a sum of positive squares in only one way, i.e., 128482225 + 6620329 = 11335^2 + 2573^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (135102551) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33775637 + ... + 33775640.

Almost surely, 2^135102554 is an apocalyptic number.

135102554 is a deficient number, since it is larger than the sum of its proper divisors (67551280).

135102554 is an equidigital number, since it uses as much as digits as its factorization.

135102554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67551279.

The product of its (nonzero) digits is 3000, while the sum is 26.

The square root of 135102554 is about 11623.3624222942. The cubic root of 135102554 is about 513.1226510298.

The spelling of 135102554 in words is "one hundred thirty-five million, one hundred two thousand, five hundred fifty-four".