2500135386 has 64 divisors (see below), whose sum is σ = 5826293760. Its totient is φ = 700436160.

The previous prime is 2500135381. The next prime is 2500135409. The reversal of 2500135386 is 6835310052.

It is not an unprimeable number, because it can be changed into a prime (2500135381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 938925 + ... + 941583.

It is an arithmetic number, because the mean of its divisors is an integer number (91035840).

Almost surely, 2^2500135386 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2500135386, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2913146880).

2500135386 is an abundant number, since it is smaller than the sum of its proper divisors (3326158374).

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

2500135386 is a wasteful number, since it uses less digits than its factorization.

2500135386 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3099.

The product of its (nonzero) digits is 21600, while the sum is 33.

The square root of 2500135386 is about 50001.3538416711. The cubic root of 2500135386 is about 1357.2333074648.

The spelling of 2500135386 in words is "two billion, five hundred million, one hundred thirty-five thousand, three hundred eighty-six".