137208146 has 8 divisors (see below), whose sum is σ = 206632944. Its totient is φ = 68330500.

The previous prime is 137208131. The next prime is 137208157. The reversal of 137208146 is 641802731.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 136160 + ... + 137163.

It is an arithmetic number, because the mean of its divisors is an integer number (25829118).

Almost surely, 2^137208146 is an apocalyptic number.

137208146 is a deficient number, since it is larger than the sum of its proper divisors (69424798).

137208146 is a wasteful number, since it uses less digits than its factorization.

137208146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 273576.

The product of its (nonzero) digits is 8064, while the sum is 32.

The square root of 137208146 is about 11713.5880924677. The cubic root of 137208146 is about 515.7746171317.

The spelling of 137208146 in words is "one hundred thirty-seven million, two hundred eight thousand, one hundred forty-six".