135249319063 has 4 divisors (see below), whose sum is σ = 136961335840. Its totient is φ = 133537302288.

The previous prime is 135249319061. The next prime is 135249319081. The reversal of 135249319063 is 360913942531.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 360913942531 = 28591 ⋅12623341.

It is a cyclic number.

It is not a de Polignac number, because 135249319063 - 2¹ = 135249319061 is a prime.

It is a super-4 number, since 4×135249319063⁴ (a number of 46 digits) contains 4444 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135249319061) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 856008270 + ... + 856008427.

It is an arithmetic number, because the mean of its divisors is an integer number (34240333960).

Almost surely, 2^135249319063 is an apocalyptic number.

135249319063 is a deficient number, since it is larger than the sum of its proper divisors (1712016777).

135249319063 is an equidigital number, since it uses as much as digits as its factorization.

135249319063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1712016776.

The product of its (nonzero) digits is 524880, while the sum is 46.

The spelling of 135249319063 in words is "one hundred thirty-five billion, two hundred forty-nine million, three hundred nineteen thousand, sixty-three".