Search a number
-
+
126354137 = 7138316729
BaseRepresentation
bin1111000100000…
…00001011011001
322210202110021212
413202000023121
5224321313022
620312112505
73062664260
oct742001331
9283673255
10126354137
1165361808
1236395735
1320240180
1412ad15d7
15b15d3e2
hex78802d9

126354137 has 16 divisors (see below), whose sum is σ = 157395840. Its totient is φ = 98762112.

The previous prime is 126354127. The next prime is 126354143. The reversal of 126354137 is 731453621.

It is a cyclic number.

It is not a de Polignac number, because 126354137 - 24 = 126354121 is a prime.

It is not an unprimeable number, because it can be changed into a prime (126354127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 812 + ... + 15917.

It is an arithmetic number, because the mean of its divisors is an integer number (9837240).

Almost surely, 2126354137 is an apocalyptic number.

It is an amenable number.

126354137 is a deficient number, since it is larger than the sum of its proper divisors (31041703).

126354137 is a wasteful number, since it uses less digits than its factorization.

126354137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16832.

The product of its digits is 15120, while the sum is 32.

The square root of 126354137 is about 11240.7356076015. The cubic root of 126354137 is about 501.7990351813.

The spelling of 126354137 in words is "one hundred twenty-six million, three hundred fifty-four thousand, one hundred thirty-seven".

Divisors: 1 7 13 83 91 581 1079 7553 16729 117103 217477 1388507 1522339 9719549 18050591 126354137