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135161013 = 3133465667
BaseRepresentation
bin10000000111001…
…10010010110101
3100102022220001110
420003212102311
5234100123023
621224545233
73230564301
oct1003462265
9312286043
10135161013
116a327519
1239322219
1322004940
1413d44d01
15bceca93
hex80e64b5

135161013 has 8 divisors (see below), whose sum is σ = 194077408. Its totient is φ = 83175984.

The previous prime is 135160973. The next prime is 135161017. The reversal of 135161013 is 310161531.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 135161013 - 210 = 135159989 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 (135161017) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1732795 + ... + 1732872.

It is an arithmetic number, because the mean of its divisors is an integer number (24259676).

Almost surely, 2135161013 is an apocalyptic number.

135161013 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

135161013 is a deficient number, since it is larger than the sum of its proper divisors (58916395).

135161013 is a wasteful number, since it uses less digits than its factorization.

135161013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3465683.

The product of its (nonzero) digits is 270, while the sum is 21.

The square root of 135161013 is about 11625.8768701548. The cubic root of 135161013 is about 513.1966499061.

The spelling of 135161013 in words is "one hundred thirty-five million, one hundred sixty-one thousand, thirteen".

Divisors: 1 3 13 39 3465667 10397001 45053671 135161013