135053455251 has 16 divisors (see below), whose sum is σ = 211552266240. Its totient is φ = 75554380320.

The previous prime is 135053455219. The next prime is 135053455289. The reversal of 135053455251 is 152554350531.

It is not a de Polignac number, because 135053455251 - 2⁵ = 135053455219 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (135053455051) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 157404531 + ... + 157405388.

It is an arithmetic number, because the mean of its divisors is an integer number (13222016640).

Almost surely, 2^135053455251 is an apocalyptic number.

135053455251 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

135053455251 is a deficient number, since it is larger than the sum of its proper divisors (76498810989).

135053455251 is a wasteful number, since it uses less digits than its factorization.

135053455251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 314809946.

The product of its (nonzero) digits is 225000, while the sum is 39.

The spelling of 135053455251 in words is "one hundred thirty-five billion, fifty-three million, four hundred fifty-five thousand, two hundred fifty-one".