5136421204 has 6 divisors (see below), whose sum is σ = 8988737114. Its totient is φ = 2568210600.

The previous prime is 5136421193. The next prime is 5136421237. The reversal of 5136421204 is 4021246315.

It can be written as a sum of positive squares in only one way, i.e., 2662353604 + 2474067600 = 51598^2 + 49740^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 642052647 + ... + 642052654.

Almost surely, 2^5136421204 is an apocalyptic number.

It is an amenable number.

5136421204 is a deficient number, since it is larger than the sum of its proper divisors (3852315910).

5136421204 is a wasteful number, since it uses less digits than its factorization.

5136421204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1284105305 (or 1284105303 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 5136421204 is about 71668.8300727729. The cubic root of 5136421204 is about 1725.3884111992.

Adding to 5136421204 its reverse (4021246315), we get a palindrome (9157667519).

The spelling of 5136421204 in words is "five billion, one hundred thirty-six million, four hundred twenty-one thousand, two hundred four".