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137775128 = 23109157999
BaseRepresentation
bin10000011011001…
…00100000011000
3100121020200221112
420031210200120
5240232301003
621400555452
73262032521
oct1015444030
9317220845
10137775128
1170852547
123a182b88
132270b75a
1414425848
15c1673d8
hex8364818

137775128 has 16 divisors (see below), whose sum is σ = 260700000. Its totient is φ = 68255136.

The previous prime is 137775119. The next prime is 137775181. The reversal of 137775128 is 821577731.

137775128 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 78128 + ... + 79871.

It is an arithmetic number, because the mean of its divisors is an integer number (16293750).

Almost surely, 2137775128 is an apocalyptic number.

It is an amenable number.

137775128 is a deficient number, since it is larger than the sum of its proper divisors (122924872).

137775128 is a wasteful number, since it uses less digits than its factorization.

137775128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158114 (or 158110 counting only the distinct ones).

The product of its digits is 82320, while the sum is 41.

The square root of 137775128 is about 11737.7650342814. The cubic root of 137775128 is about 516.4840819055.

The spelling of 137775128 in words is "one hundred thirty-seven million, seven hundred seventy-five thousand, one hundred twenty-eight".

Divisors: 1 2 4 8 109 218 436 872 157999 315998 631996 1263992 17221891 34443782 68887564 137775128