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137861113 = 1330734543
BaseRepresentation
bin10000011011110…
…01011111111001
3100121102001220011
420031321133321
5240243023423
621402501521
73262541305
oct1015713771
9317361804
10137861113
1170901105
123a2048a1
132273b930
1414448d05
15c182b0d
hex83797f9

137861113 has 8 divisors (see below), whose sum is σ = 148953728. Its totient is φ = 126838224.

The previous prime is 137861107. The next prime is 137861117. The reversal of 137861113 is 311168731.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-137861113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (137861117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13281 + ... + 21262.

It is an arithmetic number, because the mean of its divisors is an integer number (18619216).

Almost surely, 2137861113 is an apocalyptic number.

137861113 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

137861113 is a deficient number, since it is larger than the sum of its proper divisors (11092615).

137861113 is a wasteful number, since it uses less digits than its factorization.

137861113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34863.

The product of its digits is 3024, while the sum is 31.

The square root of 137861113 is about 11741.4272130776. The cubic root of 137861113 is about 516.5915048948.

The spelling of 137861113 in words is "one hundred thirty-seven million, eight hundred sixty-one thousand, one hundred thirteen".

Divisors: 1 13 307 3991 34543 449059 10604701 137861113