Search a number
-
+
140230135 = 5791093257
BaseRepresentation
bin10000101101110…
…11110111110111
3100202212102120201
420112323313313
5241344331020
621525341331
73321636133
oct1026736767
9322772521
10140230135
1172179a81
123ab67847
132308b016
14148a43c3
15c49ea0a
hex85bbdf7

140230135 has 16 divisors (see below), whose sum is σ = 172022400. Its totient is φ = 109714176.

The previous prime is 140230121. The next prime is 140230141. The reversal of 140230135 is 531032041.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-140230135 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41427 + ... + 44683.

It is an arithmetic number, because the mean of its divisors is an integer number (10751400).

Almost surely, 2140230135 is an apocalyptic number.

140230135 is a deficient number, since it is larger than the sum of its proper divisors (31792265).

140230135 is a wasteful number, since it uses less digits than its factorization.

140230135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3450.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 140230135 is about 11841.8805516691. The cubic root of 140230135 is about 519.5337721976.

Adding to 140230135 its reverse (531032041), we get a palindrome (671262176).

The spelling of 140230135 in words is "one hundred forty million, two hundred thirty thousand, one hundred thirty-five".

Divisors: 1 5 79 109 395 545 3257 8611 16285 43055 257303 355013 1286515 1775065 28046027 140230135