897139130 has 16 divisors (see below), whose sum is σ = 1709841960. Its totient is φ = 337746432.

The previous prime is 897139027. The next prime is 897139141. The reversal of 897139130 is 31931798.

It can be written as a sum of positive squares in 4 ways, for example, as 897062401 + 76729 = 29951^2 + 277^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2638475 + ... + 2638814.

Almost surely, 2^897139130 is an apocalyptic number.

897139130 is a deficient number, since it is larger than the sum of its proper divisors (812702830).

897139130 is a wasteful number, since it uses less digits than its factorization.

897139130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5277313.

The product of its (nonzero) digits is 40824, while the sum is 41.

The square root of 897139130 is about 29952.2808814287. The cubic root of 897139130 is about 964.4652840474.

The spelling of 897139130 in words is "eight hundred ninety-seven million, one hundred thirty-nine thousand, one hundred thirty".