Search a number
-
+
134125131 = 3713945949
BaseRepresentation
bin1111111111010…
…01011001001011
3100100101021002110
413333221121023
5233314001011
621150433403
73216021240
oct777513113
9310337073
10134125131
116978a218
1238b02863
1321a312aa
1413b555c7
15bb95ba6
hex7fe964b

134125131 has 16 divisors (see below), whose sum is σ = 205856000. Its totient is φ = 76089888.

The previous prime is 134125129. The next prime is 134125151. The reversal of 134125131 is 131521431.

It is not a de Polignac number, because 134125131 - 21 = 134125129 is a prime.

It is a super-2 number, since 2×1341251312 = 35979101531534322, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 134125098 and 134125107.

It is not an unprimeable number, because it can be changed into a prime (134125151) 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, 20056 + ... + 25893.

It is an arithmetic number, because the mean of its divisors is an integer number (12866000).

Almost surely, 2134125131 is an apocalyptic number.

134125131 is a deficient number, since it is larger than the sum of its proper divisors (71730869).

134125131 is a wasteful number, since it uses less digits than its factorization.

134125131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46098.

The product of its digits is 360, while the sum is 21.

The square root of 134125131 is about 11581.2404776000. The cubic root of 134125131 is about 511.8822297383.

Adding to 134125131 its reverse (131521431), we get a palindrome (265646562).

The spelling of 134125131 in words is "one hundred thirty-four million, one hundred twenty-five thousand, one hundred thirty-one".

Divisors: 1 3 7 21 139 417 973 2919 45949 137847 321643 964929 6386911 19160733 44708377 134125131