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139113419 = 388935771
BaseRepresentation
bin10000100101010…
…11001111001011
3100200202200201212
420102223033023
5241103112134
621445403335
73306305324
oct1022531713
9320680655
10139113419
1171586a75
123a70954b
1322a89943
141469344b
15c32dbce
hex84ab3cb

139113419 has 4 divisors (see below), whose sum is σ = 139153080. Its totient is φ = 139073760.

The previous prime is 139113413. The next prime is 139113427. The reversal of 139113419 is 914311931.

139113419 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-139113419 is a prime.

It is a super-2 number, since 2×1391134192 = 38705086691739122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (139113413) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13997 + ... + 21774.

It is an arithmetic number, because the mean of its divisors is an integer number (34788270).

Almost surely, 2139113419 is an apocalyptic number.

139113419 is a deficient number, since it is larger than the sum of its proper divisors (39661).

139113419 is an equidigital number, since it uses as much as digits as its factorization.

139113419 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39660.

The product of its digits is 2916, while the sum is 32.

The square root of 139113419 is about 11794.6351787582. The cubic root of 139113419 is about 518.1510009831.

The spelling of 139113419 in words is "one hundred thirty-nine million, one hundred thirteen thousand, four hundred nineteen".

Divisors: 1 3889 35771 139113419