7087134140 has 24 divisors (see below), whose sum is σ = 15666297360. Its totient is φ = 2685650688.

The previous prime is 7087134133. The next prime is 7087134149. The reversal of 7087134140 is 414317807.

It is a self number, because there is not a number n which added to its sum of digits gives 7087134140.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7087134149) 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, 9324797 + ... + 9325556.

It is an arithmetic number, because the mean of its divisors is an integer number (652762390).

Almost surely, 2^7087134140 is an apocalyptic number.

It is an amenable number.

7087134140 is an abundant number, since it is smaller than the sum of its proper divisors (8579163220).

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

7087134140 is a wasteful number, since it uses less digits than its factorization.

7087134140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18650381 (or 18650379 counting only the distinct ones).

The product of its (nonzero) digits is 18816, while the sum is 35.

The square root of 7087134140 is about 84185.1182810834. The cubic root of 7087134140 is about 1920.8356948706.

The spelling of 7087134140 in words is "seven billion, eighty-seven million, one hundred thirty-four thousand, one hundred forty".