137798097 has 8 divisors (see below), whose sum is σ = 183845856. Its totient is φ = 91807872.

The previous prime is 137798057. The next prime is 137798123. The reversal of 137798097 is 790897731.

It is a happy number.

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

It is not a de Polignac number, because 137798097 - 2⁷ = 137797969 is a prime.

It is not an unprimeable number, because it can be changed into a prime (137798047) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8443 + ... + 18624.

It is an arithmetic number, because the mean of its divisors is an integer number (22980732).

Almost surely, 2^137798097 is an apocalyptic number.

It is an amenable number.

137798097 is a deficient number, since it is larger than the sum of its proper divisors (46047759).

137798097 is a wasteful number, since it uses less digits than its factorization.

137798097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28767.

The product of its (nonzero) digits is 666792, while the sum is 51.

The square root of 137798097 is about 11738.7434165672. The cubic root of 137798097 is about 516.5127819664.

The spelling of 137798097 in words is "one hundred thirty-seven million, seven hundred ninety-eight thousand, ninety-seven".