135556253007 has 12 divisors (see below), whose sum is σ = 210250515096. Its totient is φ = 77460715920.

The previous prime is 135556252973. The next prime is 135556253051. The reversal of 135556253007 is 700352655531.

It is a happy number.

It is not a de Polignac number, because 135556253007 - 2¹⁰ = 135556251983 is a prime.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 135556253007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135556253057) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 461075544 + ... + 461075837.

It is an arithmetic number, because the mean of its divisors is an integer number (17520876258).

Almost surely, 2^135556253007 is an apocalyptic number.

135556253007 is a deficient number, since it is larger than the sum of its proper divisors (74694262089).

135556253007 is an equidigital number, since it uses as much as digits as its factorization.

135556253007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 922151398 (or 922151391 counting only the distinct ones).

The product of its (nonzero) digits is 472500, while the sum is 42.

The spelling of 135556253007 in words is "one hundred thirty-five billion, five hundred fifty-six million, two hundred fifty-three thousand, seven".