136002612540 has 96 divisors (see below), whose sum is σ = 394192733760. Its totient is φ = 34994176000.

The previous prime is 136002612523. The next prime is 136002612547. The reversal of 136002612540 is 45216200631.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 136002612498 and 136002612507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136002612547) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2761330 + ... + 2810150.

It is an arithmetic number, because the mean of its divisors is an integer number (4106174310).

Almost surely, 2^136002612540 is an apocalyptic number.

136002612540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 136002612540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (197096366880).

136002612540 is an abundant number, since it is smaller than the sum of its proper divisors (258190121220).

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

136002612540 is a wasteful number, since it uses less digits than its factorization.

136002612540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50463 (or 50461 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 30.

The spelling of 136002612540 in words is "one hundred thirty-six billion, two million, six hundred twelve thousand, five hundred forty".