137749498 has 4 divisors (see below), whose sum is σ = 206624250. Its totient is φ = 68874748.

The previous prime is 137749481. The next prime is 137749499. The reversal of 137749498 is 894947731.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 111154849 + 26594649 = 10543^2 + 5157^2 .

It is not an unprimeable number, because it can be changed into a prime (137749499) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34437373 + ... + 34437376.

Almost surely, 2^137749498 is an apocalyptic number.

137749498 is a deficient number, since it is larger than the sum of its proper divisors (68874752).

137749498 is an equidigital number, since it uses as much as digits as its factorization.

137749498 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68874751.

The product of its digits is 1524096, while the sum is 52.

The square root of 137749498 is about 11736.6732083670. The cubic root of 137749498 is about 516.4520531252.

The spelling of 137749498 in words is "one hundred thirty-seven million, seven hundred forty-nine thousand, four hundred ninety-eight".