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137311149 = 345770383
BaseRepresentation
bin10000010111100…
…11001110101101
3100120101010111010
420023303032231
5240122424044
621343015433
73255061023
oct1013631655
9316333433
10137311149
1170565998
1239b9a579
13225a8501
1414344713
15c0c4bb9
hex82f33ad

137311149 has 4 divisors (see below), whose sum is σ = 183081536. Its totient is φ = 91540764.

The previous prime is 137311129. The next prime is 137311151. The reversal of 137311149 is 941113731.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 941113731 = 3313704577.

It is not a de Polignac number, because 137311149 - 27 = 137311021 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (137311129) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22885189 + ... + 22885194.

It is an arithmetic number, because the mean of its divisors is an integer number (45770384).

Almost surely, 2137311149 is an apocalyptic number.

It is an amenable number.

137311149 is a deficient number, since it is larger than the sum of its proper divisors (45770387).

137311149 is an equidigital number, since it uses as much as digits as its factorization.

137311149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45770386.

The product of its digits is 2268, while the sum is 30.

The square root of 137311149 is about 11717.9839989650. The cubic root of 137311149 is about 515.9036499087.

The spelling of 137311149 in words is "one hundred thirty-seven million, three hundred eleven thousand, one hundred forty-nine".

Divisors: 1 3 45770383 137311149