137509346 has 32 divisors (see below), whose sum is σ = 234964800. Its totient is φ = 59832000.

The previous prime is 137509343. The next prime is 137509373. The reversal of 137509346 is 643905731.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is not an unprimeable number, because it can be changed into a prime (137509343) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 123440 + ... + 124548.

It is an arithmetic number, because the mean of its divisors is an integer number (7342650).

Almost surely, 2^137509346 is an apocalyptic number.

137509346 is a deficient number, since it is larger than the sum of its proper divisors (97455454).

137509346 is a wasteful number, since it uses less digits than its factorization.

137509346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1394.

The product of its (nonzero) digits is 68040, while the sum is 38.

The square root of 137509346 is about 11726.4379075660. The cubic root of 137509346 is about 516.1517516329.

The spelling of 137509346 in words is "one hundred thirty-seven million, five hundred nine thousand, three hundred forty-six".