135136021010 has 32 divisors (see below), whose sum is σ = 248351080320. Its totient is φ = 52930343808.

The previous prime is 135136020991. The next prime is 135136021039. The reversal of 135136021010 is 10120631531.

It is a super-3 number, since 3×135136021010³ (a number of 34 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 564422 + ... + 767361.

It is an arithmetic number, because the mean of its divisors is an integer number (7760971260).

Almost surely, 2^135136021010 is an apocalyptic number.

135136021010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

135136021010 is a deficient number, since it is larger than the sum of its proper divisors (113215059310).

135136021010 is a wasteful number, since it uses less digits than its factorization.

135136021010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1332002.

The product of its (nonzero) digits is 540, while the sum is 23.

Adding to 135136021010 its reverse (10120631531), we get a palindrome (145256652541).

The spelling of 135136021010 in words is "one hundred thirty-five billion, one hundred thirty-six million, twenty-one thousand, ten".