137086420 has 12 divisors (see below), whose sum is σ = 287881524. Its totient is φ = 54834560.

The previous prime is 137086403. The next prime is 137086421. The reversal of 137086420 is 24680731.

It can be written as a sum of positive squares in 2 ways, for example, as 67930564 + 69155856 = 8242^2 + 8316^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (137086421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3427141 + ... + 3427180.

It is an arithmetic number, because the mean of its divisors is an integer number (23990127).

Almost surely, 2^137086420 is an apocalyptic number.

137086420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

137086420 is an abundant number, since it is smaller than the sum of its proper divisors (150795104).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

137086420 is a wasteful number, since it uses less digits than its factorization.

137086420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6854330 (or 6854328 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 31.

The square root of 137086420 is about 11708.3910081616. The cubic root of 137086420 is about 515.6220466069.

The spelling of 137086420 in words is "one hundred thirty-seven million, eighty-six thousand, four hundred twenty".