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137794919 = 3743257337
BaseRepresentation
bin10000011011010…
…01010101100111
3100121021201002112
420031221111213
5240233414134
621401231235
73262144313
oct1015512547
9317251075
10137794919
11708663a9
123a19251b
1322717772
141442cb43
15c16d1ce
hex8369567

137794919 has 16 divisors (see below), whose sum is σ = 145805088. Its totient is φ = 130056192.

The previous prime is 137794903. The next prime is 137794931. The reversal of 137794919 is 919497731.

It is a happy number.

137794919 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 137794919 - 24 = 137794903 is a prime.

It is a super-2 number, since 2×1377949192 = 37974879404433122, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (137794949) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 408719 + ... + 409055.

It is an arithmetic number, because the mean of its divisors is an integer number (9112818).

Almost surely, 2137794919 is an apocalyptic number.

137794919 is a deficient number, since it is larger than the sum of its proper divisors (8010169).

137794919 is a wasteful number, since it uses less digits than its factorization.

137794919 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 674.

The product of its digits is 428652, while the sum is 50.

The square root of 137794919 is about 11738.6080520648. The cubic root of 137794919 is about 516.5088112047.

The spelling of 137794919 in words is "one hundred thirty-seven million, seven hundred ninety-four thousand, nine hundred nineteen".

Divisors: 1 37 43 257 337 1591 9509 11051 12469 14491 86609 408887 536167 3204533 3724187 137794919