134712890 has 16 divisors (see below), whose sum is σ = 261136008. Its totient is φ = 49740096.

The previous prime is 134712889. The next prime is 134712899. The reversal of 134712890 is 98217431.

It can be written as a sum of positive squares in 4 ways, for example, as 76755121 + 57957769 = 8761^2 + 7613^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 134712890.

It is not an unprimeable number, because it can be changed into a prime (134712899) 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, 517997 + ... + 518256.

Almost surely, 2^134712890 is an apocalyptic number.

134712890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

134712890 is a deficient number, since it is larger than the sum of its proper divisors (126423118).

134712890 is a wasteful number, since it uses less digits than its factorization.

134712890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1036273.

The product of its (nonzero) digits is 12096, while the sum is 35.

The square root of 134712890 is about 11606.5882153198. The cubic root of 134712890 is about 512.6288583380.

It can be divided in two parts, 13471 and 2890, that added together give a palindrome (16361).

The spelling of 134712890 in words is "one hundred thirty-four million, seven hundred twelve thousand, eight hundred ninety".