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134990 = 2513499
BaseRepresentation
bin100000111101001110
320212011122
4200331032
513304430
62520542
71101362
oct407516
9225148
10134990
1192469
1266152
134959b
14372a2
1529ee5
hex20f4e

134990 has 8 divisors (see below), whose sum is σ = 243000. Its totient is φ = 53992.

The previous prime is 134989. The next prime is 134999. The reversal of 134990 is 99431.

It is a happy number.

134990 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 Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134999) 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, 6740 + ... + 6759.

It is an arithmetic number, because the mean of its divisors is an integer number (30375).

2134990 is an apocalyptic number.

134990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

134990 is a deficient number, since it is larger than the sum of its proper divisors (108010).

134990 is a wasteful number, since it uses less digits than its factorization.

134990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13506.

The product of its (nonzero) digits is 972, while the sum is 26.

The square root of 134990 is about 367.4098528891. The cubic root of 134990 is about 51.2980117202.

The spelling of 134990 in words is "one hundred thirty-four thousand, nine hundred ninety".

Divisors: 1 2 5 10 13499 26998 67495 134990