Search a number
-
+
137639105 = 5671372999
BaseRepresentation
bin10000011010000…
…11010011000001
3100120222210100122
420031003103001
5240213422410
621354030025
73260625122
oct1015032301
9316883318
10137639105
117076a32a
123a118315
1322691876
14143cc049
15c13be55
hex83434c1

137639105 has 16 divisors (see below), whose sum is σ = 168912000. Its totient is φ = 107640192.

The previous prime is 137639083. The next prime is 137639111. The reversal of 137639105 is 501936731.

It is a cyclic number.

It is not a de Polignac number, because 137639105 - 28 = 137638849 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44396 + ... + 47394.

It is an arithmetic number, because the mean of its divisors is an integer number (10557000).

Almost surely, 2137639105 is an apocalyptic number.

It is an amenable number.

137639105 is a deficient number, since it is larger than the sum of its proper divisors (31272895).

137639105 is a wasteful number, since it uses less digits than its factorization.

137639105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3208.

The product of its (nonzero) digits is 17010, while the sum is 35.

The square root of 137639105 is about 11731.9693572733. The cubic root of 137639105 is about 516.3140540056.

The spelling of 137639105 in words is "one hundred thirty-seven million, six hundred thirty-nine thousand, one hundred five".

Divisors: 1 5 67 137 335 685 2999 9179 14995 45895 200933 410863 1004665 2054315 27527821 137639105