5134778100 has 54 divisors (see below), whose sum is σ = 16094679510. Its totient is φ = 1369273920.

The previous prime is 5134778081. The next prime is 5134778113. The reversal of 5134778100 is 18774315.

It can be written as a sum of positive squares in 3 ways, for example, as 39388176 + 5095389924 = 6276^2 + 71382^2 .

It is a super-2 number, since 2×5134778100² = 52731892272479220000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 2851755 + ... + 2853554.

Almost surely, 2^5134778100 is an apocalyptic number.

5134778100 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

5134778100 is an abundant number, since it is smaller than the sum of its proper divisors (10959901410).

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

5134778100 is a wasteful number, since it uses less digits than its factorization.

5134778100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5705329 (or 5705319 counting only the distinct ones).

The product of its (nonzero) digits is 23520, while the sum is 36.

The square root of 5134778100 is about 71657.3659856403. The cubic root of 5134778100 is about 1725.2044118192.

The spelling of 5134778100 in words is "five billion, one hundred thirty-four million, seven hundred seventy-eight thousand, one hundred".