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137934769 = 738351449
BaseRepresentation
bin10000011100010…
…11011110110001
3100121112210221011
420032023132301
5240302403034
621404230521
73263266120
oct1016133661
9317483834
10137934769
1170951485
123a23b441
132276630b
1414467ab7
15c199864
hex838b7b1

137934769 has 8 divisors (see below), whose sum is σ = 158054400. Its totient is φ = 117918816.

The previous prime is 137934767. The next prime is 137934809. The reversal of 137934769 is 967439731.

It is a happy number.

137934769 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 137934769 - 21 = 137934767 is a prime.

It is a super-3 number, since 3×1379347693 (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (137934767) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23044 + ... + 28405.

It is an arithmetic number, because the mean of its divisors is an integer number (19756800).

Almost surely, 2137934769 is an apocalyptic number.

It is an amenable number.

137934769 is a deficient number, since it is larger than the sum of its proper divisors (20119631).

137934769 is an equidigital number, since it uses as much as digits as its factorization.

137934769 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51839.

The product of its digits is 857304, while the sum is 49.

The square root of 137934769 is about 11744.5633805604. The cubic root of 137934769 is about 516.6834894742.

The spelling of 137934769 in words is "one hundred thirty-seven million, nine hundred thirty-four thousand, seven hundred sixty-nine".

Divisors: 1 7 383 2681 51449 360143 19704967 137934769