2135607562540 has 24 divisors (see below), whose sum is σ = 4484906904240. Its totient is φ = 854218068288.

The previous prime is 2135607562531. The next prime is 2135607562549. The reversal of 2135607562540 is 452657065312.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2135607562531) and next prime (2135607562549).

It is a super-2 number, since 2×2135607562540² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2135607562549) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 850230 + ... + 2234749.

It is an arithmetic number, because the mean of its divisors is an integer number (186871121010).

Almost surely, 2^{2135607562540} is an apocalyptic number.

2135607562540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2135607562540 is an abundant number, since it is smaller than the sum of its proper divisors (2349299341700).

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

2135607562540 is a wasteful number, since it uses less digits than its factorization.

2135607562540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3119601 (or 3119599 counting only the distinct ones).

The product of its (nonzero) digits is 1512000, while the sum is 46.

The spelling of 2135607562540 in words is "two trillion, one hundred thirty-five billion, six hundred seven million, five hundred sixty-two thousand, five hundred forty".