3970134081 has 15 divisors (see below), whose sum is σ = 5931541363. Its totient is φ = 2646378000.

The previous prime is 3970134067. The next prime is 3970134089. The reversal of 3970134081 is 1804310793.

It is a happy number.

The square root of 3970134081 is 63009.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 1677639681 + 2292494400 = 40959^2 + 47880^2 .

It is a de Polignac number, because none of the positive numbers 2^k-3970134081 is a prime.

It is a super-2 number, since 2×3970134081² = 31523929242235429122, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3970134089) by changing a digit.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 563581 + ... + 570581.

Almost surely, 2^3970134081 is an apocalyptic number.

3970134081 is the 63009-th square number.

3970134081 is the 31505-th centered octagonal number.

It is an amenable number.

3970134081 is a deficient number, since it is larger than the sum of its proper divisors (1961407282).

3970134081 is an frugal number, since it uses more digits than its factorization.

3970134081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14014 (or 7004 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The cubic root of 3970134081 is about 1583.4404122695.

Multiplying 3970134081 by its sum of digits (36), we get a square (142924826916 = 378054²).

The spelling of 3970134081 in words is "three billion, nine hundred seventy million, one hundred thirty-four thousand, eighty-one".