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1396136959 = 7228492591
BaseRepresentation
bin101001100110111…
…0101101111111111
310121022002002212021
41103031311233333
510324402340314
6350312021011
746411653100
oct12315655777
93538062767
101396136959
116570a03a8
1232b691767
13193328359
14d35c83a7
1582880324
hex53375bff

1396136959 has 6 divisors (see below), whose sum is σ = 1624077744. Its totient is φ = 1196688780.

The previous prime is 1396136953. The next prime is 1396136969. The reversal of 1396136959 is 9596316931.

It is not a de Polignac number, because 1396136959 - 27 = 1396136831 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1396136953) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 14246247 + ... + 14246344.

It is an arithmetic number, because the mean of its divisors is an integer number (270679624).

Almost surely, 21396136959 is an apocalyptic number.

1396136959 is a deficient number, since it is larger than the sum of its proper divisors (227940785).

1396136959 is an equidigital number, since it uses as much as digits as its factorization.

1396136959 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28492605 (or 28492598 counting only the distinct ones).

The product of its digits is 1180980, while the sum is 52.

The square root of 1396136959 is about 37364.9161513846. The cubic root of 1396136959 is about 1117.6590558468.

The spelling of 1396136959 in words is "one billion, three hundred ninety-six million, one hundred thirty-six thousand, nine hundred fifty-nine".

Divisors: 1 7 49 28492591 199448137 1396136959