137120210 has 16 divisors (see below), whose sum is σ = 247320000. Its totient is φ = 54736176.

The previous prime is 137120201. The next prime is 137120219. The reversal of 137120210 is 12021731.

It is an interprime number because it is at equal distance from previous prime (137120201) and next prime (137120219).

It is not an unprimeable number, because it can be changed into a prime (137120219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8750 + ... + 18729.

It is an arithmetic number, because the mean of its divisors is an integer number (15457500).

Almost surely, 2^137120210 is an apocalyptic number.

137120210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

137120210 is a deficient number, since it is larger than the sum of its proper divisors (110199790).

137120210 is a wasteful number, since it uses less digits than its factorization.

137120210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27985.

The product of its (nonzero) digits is 84, while the sum is 17.

The square root of 137120210 is about 11709.8339014693. The cubic root of 137120210 is about 515.6644078115.

Adding to 137120210 its reverse (12021731), we get a palindrome (149141941).

The spelling of 137120210 in words is "one hundred thirty-seven million, one hundred twenty thousand, two hundred ten".