135249319064 has 8 divisors (see below), whose sum is σ = 253592473260. Its totient is φ = 67624659528.

The previous prime is 135249319061. The next prime is 135249319081. The reversal of 135249319064 is 460913942531.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-4 number, since 4×135249319064⁴ (a number of 46 digits) contains 4444 as substring.

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 pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8453082434 + ... + 8453082449.

Almost surely, 2^135249319064 is an apocalyptic number.

It is an amenable number.

135249319064 is a deficient number, since it is larger than the sum of its proper divisors (118343154196).

135249319064 is a wasteful number, since it uses less digits than its factorization.

135249319064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16906164889 (or 16906164885 counting only the distinct ones).

The product of its (nonzero) digits is 699840, while the sum is 47.

The spelling of 135249319064 in words is "one hundred thirty-five billion, two hundred forty-nine million, three hundred nineteen thousand, sixty-four".