137051998 has 8 divisors (see below), whose sum is σ = 206461008. Its totient is φ = 68231664.

The previous prime is 137051989. The next prime is 137052029. The reversal of 137051998 is 899150731.

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

It is a congruent 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, 146586 + ... + 147517.

It is an arithmetic number, because the mean of its divisors is an integer number (25807626).

Almost surely, 2^137051998 is an apocalyptic number.

137051998 is a deficient number, since it is larger than the sum of its proper divisors (69409010).

137051998 is a wasteful number, since it uses less digits than its factorization.

137051998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 294338.

The product of its (nonzero) digits is 68040, while the sum is 43.

The square root of 137051998 is about 11706.9209444670. The cubic root of 137051998 is about 515.5788859305.

The spelling of 137051998 in words is "one hundred thirty-seven million, fifty-one thousand, nine hundred ninety-eight".