137123746 has 8 divisors (see below), whose sum is σ = 214628544. Its totient is φ = 65580900.

The previous prime is 137123731. The next prime is 137123747. The reversal of 137123746 is 647321731.

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

It is not an unprimeable number, because it can be changed into a prime (137123747) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1490430 + ... + 1490521.

It is an arithmetic number, because the mean of its divisors is an integer number (26828568).

Almost surely, 2^137123746 is an apocalyptic number.

137123746 is a deficient number, since it is larger than the sum of its proper divisors (77504798).

137123746 is a wasteful number, since it uses less digits than its factorization.

137123746 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2980976.

The product of its digits is 21168, while the sum is 34.

The square root of 137123746 is about 11709.9848847042. The cubic root of 137123746 is about 515.6688403545.

The spelling of 137123746 in words is "one hundred thirty-seven million, one hundred twenty-three thousand, seven hundred forty-six".