137651674 has 4 divisors (see below), whose sum is σ = 206477514. Its totient is φ = 68825836.

The previous prime is 137651659. The next prime is 137651677. The reversal of 137651674 is 476156731.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 476156731 = 1487 ⋅320213.

It can be written as a sum of positive squares in only one way, i.e., 87142225 + 50509449 = 9335^2 + 7107^2 .

It is not an unprimeable number, because it can be changed into a prime (137651677) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34412917 + ... + 34412920.

Almost surely, 2^137651674 is an apocalyptic number.

137651674 is a deficient number, since it is larger than the sum of its proper divisors (68825840).

137651674 is an equidigital number, since it uses as much as digits as its factorization.

137651674 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68825839.

The product of its digits is 105840, while the sum is 40.

The square root of 137651674 is about 11732.5050181110. The cubic root of 137651674 is about 516.3297698731.

The spelling of 137651674 in words is "one hundred thirty-seven million, six hundred fifty-one thousand, six hundred seventy-four".