137545994 has 8 divisors (see below), whose sum is σ = 208322400. Its totient is φ = 68105196.

The previous prime is 137545981. The next prime is 137546009. The reversal of 137545994 is 499545731.

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

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 333644 + ... + 334055.

It is an arithmetic number, because the mean of its divisors is an integer number (26040300).

Almost surely, 2^137545994 is an apocalyptic number.

137545994 is a deficient number, since it is larger than the sum of its proper divisors (70776406).

137545994 is a wasteful number, since it uses less digits than its factorization.

137545994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 667804.

The product of its digits is 680400, while the sum is 47.

The square root of 137545994 is about 11728.0004263301. Note that the first 3 decimals coincide. The cubic root of 137545994 is about 516.1976012418.

The spelling of 137545994 in words is "one hundred thirty-seven million, five hundred forty-five thousand, nine hundred ninety-four".