137434210 has 8 divisors (see below), whose sum is σ = 247381596. Its totient is φ = 54973680.

The previous prime is 137434183. The next prime is 137434211. The reversal of 137434210 is 12434731.

It can be written as a sum of positive squares in 2 ways, for example, as 136585969 + 848241 = 11687^2 + 921^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (137434211) 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, 6871701 + ... + 6871720.

Almost surely, 2^137434210 is an apocalyptic number.

137434210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

137434210 is a deficient number, since it is larger than the sum of its proper divisors (109947386).

137434210 is a wasteful number, since it uses less digits than its factorization.

137434210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13743428.

The product of its (nonzero) digits is 2016, while the sum is 25.

The square root of 137434210 is about 11723.2337688882. The cubic root of 137434210 is about 516.0577249484.

Adding to 137434210 its reverse (12434731), we get a palindrome (149868941).

The spelling of 137434210 in words is "one hundred thirty-seven million, four hundred thirty-four thousand, two hundred ten".