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136074253 = 767290137
BaseRepresentation
bin10000001110001…
…01010000001101
3100111001021210011
420013011100031
5234313334003
621300313221
73241416640
oct1007052015
9314037704
10136074253
116a8a0667
12396a2811
1322264513
1414101a57
15be2d46d
hex81c540d

136074253 has 8 divisors (see below), whose sum is σ = 157835072. Its totient is φ = 114893856.

The previous prime is 136074251. The next prime is 136074313. The reversal of 136074253 is 352470631.

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

It is not a de Polignac number, because 136074253 - 21 = 136074251 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 (136074251) 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, 144600 + ... + 145537.

It is an arithmetic number, because the mean of its divisors is an integer number (19729384).

Almost surely, 2136074253 is an apocalyptic number.

It is an amenable number.

136074253 is a deficient number, since it is larger than the sum of its proper divisors (21760819).

136074253 is an equidigital number, since it uses as much as digits as its factorization.

136074253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 290211.

The product of its (nonzero) digits is 15120, while the sum is 31.

The square root of 136074253 is about 11665.0869263799. The cubic root of 136074253 is about 514.3498919726.

The spelling of 136074253 in words is "one hundred thirty-six million, seventy-four thousand, two hundred fifty-three".

Divisors: 1 7 67 469 290137 2030959 19439179 136074253