137105810 has 8 divisors (see below), whose sum is σ = 246790476. Its totient is φ = 54842320.

The previous prime is 137105809. The next prime is 137105869. The reversal of 137105810 is 18501731.

It can be written as a sum of positive squares in 2 ways, for example, as 136585969 + 519841 = 11687^2 + 721^2 .

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

It is a super-2 number, since 2×137105810² = 37596006271512200, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 137105810.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6855281 + ... + 6855300.

Almost surely, 2^137105810 is an apocalyptic number.

137105810 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

137105810 is a deficient number, since it is larger than the sum of its proper divisors (109684666).

137105810 is a wasteful number, since it uses less digits than its factorization.

137105810 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13710588.

The product of its (nonzero) digits is 840, while the sum is 26.

The square root of 137105810 is about 11709.2190175092. The cubic root of 137105810 is about 515.6463559444.

The spelling of 137105810 in words is "one hundred thirty-seven million, one hundred five thousand, eight hundred ten".