137326840 has 32 divisors (see below), whose sum is σ = 353126880. Its totient is φ = 47083392.

The previous prime is 137326837. The next prime is 137326853. The reversal of 137326840 is 48623731.

It is a happy number.

137326840 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 137326796 and 137326805.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 244947 + ... + 245506.

It is an arithmetic number, because the mean of its divisors is an integer number (11035215).

Almost surely, 2^137326840 is an apocalyptic number.

137326840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

137326840 is an abundant number, since it is smaller than the sum of its proper divisors (215800040).

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

137326840 is a wasteful number, since it uses less digits than its factorization.

137326840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 490471 (or 490467 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 34.

The square root of 137326840 is about 11718.6535062694. The cubic root of 137326840 is about 515.9233005001.

The spelling of 137326840 in words is "one hundred thirty-seven million, three hundred twenty-six thousand, eight hundred forty".