3959748136 has 8 divisors (see below), whose sum is σ = 7424527770. Its totient is φ = 1979874064.

The previous prime is 3959748119. The next prime is 3959748157. The reversal of 3959748136 is 6318479593.

It can be written as a sum of positive squares in only one way, i.e., 3510562500 + 449185636 = 59250^2 + 21194^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a hoax number, since the sum of its digits (55) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 247484251 + ... + 247484266.

Almost surely, 2^3959748136 is an apocalyptic number.

It is an amenable number.

3959748136 is a deficient number, since it is larger than the sum of its proper divisors (3464779634).

3959748136 is a wasteful number, since it uses less digits than its factorization.

3959748136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 494968523 (or 494968519 counting only the distinct ones).

The product of its digits is 4898880, while the sum is 55.

The square root of 3959748136 is about 62926.5296675417. The cubic root of 3959748136 is about 1582.0584365666.

The spelling of 3959748136 in words is "three billion, nine hundred fifty-nine million, seven hundred forty-eight thousand, one hundred thirty-six".