Search a number
-
+
135492019 = 1357118253
BaseRepresentation
bin10000001001101…
…11000110110011
3100102221201002221
420010313012303
5234141221034
621240021511
73233443315
oct1004670663
9312851087
10135492019
116a533183
1239461897
13220bc4c0
1413dcd7b5
15bd65bb4
hex81371b3

135492019 has 8 divisors (see below), whose sum is σ = 146178032. Its totient is φ = 124843680.

The previous prime is 135492013. The next prime is 135492037. The reversal of 135492019 is 910294531.

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

It is not a de Polignac number, because 135492019 - 29 = 135491507 is a prime.

It is a super-2 number, since 2×1354920192 = 36716174425392722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (135492013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1704 + ... + 16549.

It is an arithmetic number, because the mean of its divisors is an integer number (18272254).

Almost surely, 2135492019 is an apocalyptic number.

135492019 is a deficient number, since it is larger than the sum of its proper divisors (10686013).

135492019 is a wasteful number, since it uses less digits than its factorization.

135492019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18837.

The product of its (nonzero) digits is 9720, while the sum is 34.

The square root of 135492019 is about 11640.1039084709. The cubic root of 135492019 is about 513.6152437121.

The spelling of 135492019 in words is "one hundred thirty-five million, four hundred ninety-two thousand, nineteen".

Divisors: 1 13 571 7423 18253 237289 10422463 135492019