137020734 has 40 divisors (see below), whose sum is σ = 308971080. Its totient is φ = 45384624.

The previous prime is 137020733. The next prime is 137020753. The reversal of 137020734 is 437020731.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 137020698 and 137020707.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (137020733) 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 19 ways as a sum of consecutive naturals, for example, 23812 + ... + 29000.

It is an arithmetic number, because the mean of its divisors is an integer number (7724277).

Almost surely, 2^137020734 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 137020734, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (154485540).

137020734 is an abundant number, since it is smaller than the sum of its proper divisors (171950346).

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

137020734 is a wasteful number, since it uses less digits than its factorization.

137020734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5366 (or 5357 counting only the distinct ones).

The product of its (nonzero) digits is 3528, while the sum is 27.

The square root of 137020734 is about 11705.5855897943. The cubic root of 137020734 is about 515.5396787090.

The spelling of 137020734 in words is "one hundred thirty-seven million, twenty thousand, seven hundred thirty-four".