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135249037 = 7114142841
BaseRepresentation
bin10000000111110…
…11110010001101
3100102111100210121
420003323302031
5234110432122
621230504541
73231412030
oct1003736215
9312440717
10135249037
116a387670
1239365151
1322035a21
1413d69017
15bd18bc7
hex80fbc8d

135249037 has 16 divisors (see below), whose sum is σ = 172738944. Its totient is φ = 102816000.

The previous prime is 135249019. The next prime is 135249043. The reversal of 135249037 is 730942531.

135249037 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 135249037 - 211 = 135246989 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 135248993 and 135249011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135249007) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18264 + ... + 24577.

It is an arithmetic number, because the mean of its divisors is an integer number (10796184).

Almost surely, 2135249037 is an apocalyptic number.

It is an amenable number.

135249037 is a deficient number, since it is larger than the sum of its proper divisors (37489907).

135249037 is a wasteful number, since it uses less digits than its factorization.

135249037 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42900.

The product of its (nonzero) digits is 22680, while the sum is 34.

The square root of 135249037 is about 11629.6619469355. The cubic root of 135249037 is about 513.3080326636.

The spelling of 135249037 in words is "one hundred thirty-five million, two hundred forty-nine thousand, thirty-seven".

Divisors: 1 7 11 41 77 287 451 3157 42841 299887 471251 1756481 3298757 12295367 19321291 135249037