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135657074 = 2719509989
BaseRepresentation
bin10000001010111…
…11011001110010
3100110021002112002
420011133121302
5234212011244
621243334002
73235031450
oct1005373162
9313232462
10135657074
116a636193
1239521302
1322149677
14140339d0
15bd99a4e
hex815f672

135657074 has 16 divisors (see below), whose sum is σ = 244795200. Its totient is φ = 55078704.

The previous prime is 135657037. The next prime is 135657079. The reversal of 135657074 is 470756531.

135657074 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is not an unprimeable number, because it can be changed into a prime (135657079) 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, 254729 + ... + 255260.

It is an arithmetic number, because the mean of its divisors is an integer number (15299700).

Almost surely, 2135657074 is an apocalyptic number.

135657074 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

135657074 is a deficient number, since it is larger than the sum of its proper divisors (109138126).

135657074 is a wasteful number, since it uses less digits than its factorization.

135657074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 510017.

The product of its (nonzero) digits is 88200, while the sum is 38.

The square root of 135657074 is about 11647.1916786838. The cubic root of 135657074 is about 513.8237193700.

The spelling of 135657074 in words is "one hundred thirty-five million, six hundred fifty-seven thousand, seventy-four".

Divisors: 1 2 7 14 19 38 133 266 509989 1019978 3569923 7139846 9689791 19379582 67828537 135657074