Search a number
-
+
137456131 is a prime number
BaseRepresentation
bin10000011000101…
…10101000000011
3100120122111100211
420030112220003
5240142044011
621350054551
73256233511
oct1014265003
9316574324
10137456131
117065490a
123a04a457
13226294b7
14143814b1
15c102b21
hex8316a03

137456131 has 2 divisors, whose sum is σ = 137456132. Its totient is φ = 137456130.

The previous prime is 137456117. The next prime is 137456171. The reversal of 137456131 is 131654731.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 137456131 - 213 = 137447939 is a prime.

It is a super-2 number, since 2×1374561312 = 37788375898978322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 137456093 and 137456102.

It is not a weakly prime, because it can be changed into another prime (137456171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68728065 + 68728066.

It is an arithmetic number, because the mean of its divisors is an integer number (68728066).

Almost surely, 2137456131 is an apocalyptic number.

137456131 is a deficient number, since it is larger than the sum of its proper divisors (1).

137456131 is an equidigital number, since it uses as much as digits as its factorization.

137456131 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7560, while the sum is 31.

The square root of 137456131 is about 11724.1686698887. The cubic root of 137456131 is about 516.0851608636.

The spelling of 137456131 in words is "one hundred thirty-seven million, four hundred fifty-six thousand, one hundred thirty-one".