136481985313492 has 192 divisors, whose sum is σ = 305948276408320. Its totient is φ = 51874687128960.

The previous prime is 136481985313477. The next prime is 136481985313493. The reversal of 136481985313492 is 294313589184631.

It is a super-2 number, since 2×136481985313492² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136481985313493) by changing a digit.

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 63 ways as a sum of consecutive naturals, for example, 1507260163 + ... + 1507350709.

Almost surely, 2^{136481985313492} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 136481985313492, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (152974138204160).

136481985313492 is an abundant number, since it is smaller than the sum of its proper divisors (169466291094828).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

136481985313492 is a wasteful number, since it uses less digits than its factorization.

136481985313492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90803 (or 90739 counting only the distinct ones).

The product of its digits is 134369280, while the sum is 67.

The spelling of 136481985313492 in words is "one hundred thirty-six trillion, four hundred eighty-one billion, nine hundred eighty-five million, three hundred thirteen thousand, four hundred ninety-two".