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134311957 = 1310331689
BaseRepresentation
bin10000000000101…
…11000000010101
3100100201202100221
420000113000111
5233340440312
621154434341
73220430023
oct1000270025
9310652327
10134311957
11698a761a
1238b929b1
1321a98340
1413ba3713
15bbd1207
hex8017015

134311957 has 4 divisors (see below), whose sum is σ = 144643660. Its totient is φ = 123980256.

The previous prime is 134311939. The next prime is 134311967. The reversal of 134311957 is 759113431.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 759113431 = 857388547.

It can be written as a sum of positive squares in 2 ways, for example, as 31877316 + 102434641 = 5646^2 + 10121^2 .

It is a cyclic number.

It is not a de Polignac number, because 134311957 - 27 = 134311829 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 (134311967) 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, 5165832 + ... + 5165857.

It is an arithmetic number, because the mean of its divisors is an integer number (36160915).

Almost surely, 2134311957 is an apocalyptic number.

It is an amenable number.

134311957 is a deficient number, since it is larger than the sum of its proper divisors (10331703).

134311957 is a wasteful number, since it uses less digits than its factorization.

134311957 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10331702.

The product of its digits is 11340, while the sum is 34.

The square root of 134311957 is about 11589.3035597485. The cubic root of 134311957 is about 512.1197903406.

The spelling of 134311957 in words is "one hundred thirty-four million, three hundred eleven thousand, nine hundred fifty-seven".

Divisors: 1 13 10331689 134311957