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136944235 = 52931123
BaseRepresentation
bin10000010100110…
…01101001101011
3100112200111011201
420022121221223
5240024203420
621331105031
73252002221
oct1012315153
9315614151
10136944235
117033525a
1239a42177
13224aa4bc
141428ab11
15c05110a
hex8299a6b

136944235 has 16 divisors (see below), whose sum is σ = 170353440. Its totient is φ = 105683424.

The previous prime is 136944217. The next prime is 136944239. The reversal of 136944235 is 532449631.

It is not a de Polignac number, because 136944235 - 211 = 136942187 is a prime.

Its product of digits (77760) is a multiple of the sum of its prime factors (1215).

It is a junction number, because it is equal to n+sod(n) for n = 136944194 and 136944203.

It is not an unprimeable number, because it can be changed into a prime (136944239) 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 15 ways as a sum of consecutive naturals, for example, 121384 + ... + 122506.

It is an arithmetic number, because the mean of its divisors is an integer number (10647090).

Almost surely, 2136944235 is an apocalyptic number.

136944235 is a deficient number, since it is larger than the sum of its proper divisors (33409205).

136944235 is an frugal number, since it uses more digits than its factorization.

136944235 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1215 (or 1157 counting only the distinct ones).

The product of its digits is 77760, while the sum is 37.

The square root of 136944235 is about 11702.3175055200. The cubic root of 136944235 is about 515.4437185077.

The spelling of 136944235 in words is "one hundred thirty-six million, nine hundred forty-four thousand, two hundred thirty-five".

Divisors: 1 5 29 145 841 1123 4205 5615 24389 32567 121945 162835 944443 4722215 27388847 136944235