137309894 has 8 divisors (see below), whose sum is σ = 207468648. Its totient is φ = 68153680.

The previous prime is 137309891. The next prime is 137309897. The reversal of 137309894 is 498903731.

It is a happy number.

137309894 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (137309891) and next prime (137309897).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (137309891) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 250292 + ... + 250839.

It is an arithmetic number, because the mean of its divisors is an integer number (25933581).

Almost surely, 2^137309894 is an apocalyptic number.

137309894 is a deficient number, since it is larger than the sum of its proper divisors (70158754).

137309894 is a wasteful number, since it uses less digits than its factorization.

137309894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 501270.

The product of its (nonzero) digits is 163296, while the sum is 44.

The square root of 137309894 is about 11717.9304486757. The cubic root of 137309894 is about 515.9020781474.

The spelling of 137309894 in words is "one hundred thirty-seven million, three hundred nine thousand, eight hundred ninety-four".