Search a number
-
+
134013439 = 719144777
BaseRepresentation
bin1111111110011…
…10000111111111
3100100011120212201
413333032013333
5233301412224
621144212331
73215044510
oct777160777
9310146781
10134013439
116971330a
1238a6a0a7
13219c24c1
1413b26a07
15bb72a44
hex7fce1ff

134013439 has 4 divisors (see below), whose sum is σ = 153158224. Its totient is φ = 114868656.

The previous prime is 134013427. The next prime is 134013457. The reversal of 134013439 is 934310431.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 934310431 = 941992891.

It is not a de Polignac number, because 134013439 - 27 = 134013311 is a prime.

It is a Duffinian number.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134013409) 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, 9572382 + ... + 9572395.

It is an arithmetic number, because the mean of its divisors is an integer number (38289556).

Almost surely, 2134013439 is an apocalyptic number.

134013439 is a deficient number, since it is larger than the sum of its proper divisors (19144785).

134013439 is an equidigital number, since it uses as much as digits as its factorization.

134013439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19144784.

The product of its (nonzero) digits is 3888, while the sum is 28.

The square root of 134013439 is about 11576.4173646254. The cubic root of 134013439 is about 511.7401011973.

The spelling of 134013439 in words is "one hundred thirty-four million, thirteen thousand, four hundred thirty-nine".

Divisors: 1 7 19144777 134013439