137120870 has 8 divisors (see below), whose sum is σ = 246817584. Its totient is φ = 54848344.

The previous prime is 137120869. The next prime is 137120873. The reversal of 137120870 is 78021731.

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 (137120873) 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 3 ways as a sum of consecutive naturals, for example, 6856034 + ... + 6856053.

It is an arithmetic number, because the mean of its divisors is an integer number (30852198).

Almost surely, 2^137120870 is an apocalyptic number.

137120870 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

137120870 is a deficient number, since it is larger than the sum of its proper divisors (109696714).

137120870 is a wasteful number, since it uses less digits than its factorization.

137120870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13712094.

The product of its (nonzero) digits is 2352, while the sum is 29.

The square root of 137120870 is about 11709.8620828770. The cubic root of 137120870 is about 515.6652351584.

The spelling of 137120870 in words is "one hundred thirty-seven million, one hundred twenty thousand, eight hundred seventy".