7134878136 has 16 divisors (see below), whose sum is σ = 17837195400. Its totient is φ = 2378292704.

The previous prime is 7134878063. The next prime is 7134878137. The reversal of 7134878136 is 6318784317.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7134878137) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 148643271 + ... + 148643318.

Almost surely, 2^7134878136 is an apocalyptic number.

It is an amenable number.

7134878136 is an abundant number, since it is smaller than the sum of its proper divisors (10702317264).

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

7134878136 is a wasteful number, since it uses less digits than its factorization.

7134878136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 297286598 (or 297286594 counting only the distinct ones).

The product of its digits is 677376, while the sum is 48.

The square root of 7134878136 is about 84468.2078417673. The cubic root of 7134878136 is about 1925.1394185637.

The spelling of 7134878136 in words is "seven billion, one hundred thirty-four million, eight hundred seventy-eight thousand, one hundred thirty-six".