137677406 has 4 divisors (see below), whose sum is σ = 206516112. Its totient is φ = 68838702.

The previous prime is 137677391. The next prime is 137677409. The reversal of 137677406 is 604776731.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (137677409) 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 as a sum of consecutive naturals, namely, 34419350 + ... + 34419353.

It is an arithmetic number, because the mean of its divisors is an integer number (51629028).

Almost surely, 2^137677406 is an apocalyptic number.

137677406 is a deficient number, since it is larger than the sum of its proper divisors (68838706).

137677406 is an equidigital number, since it uses as much as digits as its factorization.

137677406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68838705.

The product of its (nonzero) digits is 148176, while the sum is 41.

The square root of 137677406 is about 11733.6015783731. The cubic root of 137677406 is about 516.3619413424.

The spelling of 137677406 in words is "one hundred thirty-seven million, six hundred seventy-seven thousand, four hundred six".