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137155469 = 1182715077
BaseRepresentation
bin10000010110011…
…01001110001101
3100120002012221012
420023031032031
5240102433334
621335415005
73253542113
oct1013151615
9316065835
10137155469
1170469a30
1239b24465
13225526a9
1414303ab3
15c0939ce
hex82cd38d

137155469 has 8 divisors (see below), whose sum is σ = 149815008. Its totient is φ = 124527760.

The previous prime is 137155451. The next prime is 137155483. The reversal of 137155469 is 964551731.

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

It is a cyclic number.

It is not a de Polignac number, because 137155469 - 212 = 137151373 is a prime.

It is a super-2 number, since 2×1371554692 = 37623245353219922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (137155409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1559 + ... + 16635.

It is an arithmetic number, because the mean of its divisors is an integer number (18726876).

Almost surely, 2137155469 is an apocalyptic number.

It is an amenable number.

137155469 is a deficient number, since it is larger than the sum of its proper divisors (12659539).

137155469 is a wasteful number, since it uses less digits than its factorization.

137155469 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15915.

The product of its digits is 113400, while the sum is 41.

The square root of 137155469 is about 11711.3393341667. The cubic root of 137155469 is about 515.7086032250.

The spelling of 137155469 in words is "one hundred thirty-seven million, one hundred fifty-five thousand, four hundred sixty-nine".

Divisors: 1 11 827 9097 15077 165847 12468679 137155469