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136872853 = 1312782903
BaseRepresentation
bin10000010100010…
…00001110010101
3100112112212020221
420022020032111
5240014412403
621325354341
73251254135
oct1012101625
9315485227
10136872853
1170296667
1239a089b1
1322483b70
141426cac5
15c039dbd
hex8288395

136872853 has 8 divisors (see below), whose sum is σ = 148563968. Its totient is φ = 125347824.

The previous prime is 136872829. The next prime is 136872881. The reversal of 136872853 is 358278631.

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

It is a cyclic number.

It is not a de Polignac number, because 136872853 - 221 = 134775701 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 (136878853) 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, 39801 + ... + 43102.

It is an arithmetic number, because the mean of its divisors is an integer number (18570496).

Almost surely, 2136872853 is an apocalyptic number.

136872853 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

136872853 is a deficient number, since it is larger than the sum of its proper divisors (11691115).

136872853 is a wasteful number, since it uses less digits than its factorization.

136872853 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83043.

The product of its digits is 241920, while the sum is 43.

The square root of 136872853 is about 11699.2671992736. The cubic root of 136872853 is about 515.3541448254.

The spelling of 136872853 in words is "one hundred thirty-six million, eight hundred seventy-two thousand, eight hundred fifty-three".

Divisors: 1 13 127 1651 82903 1077739 10528681 136872853