137469418 has 4 divisors (see below), whose sum is σ = 206204130. Its totient is φ = 68734708.

The previous prime is 137469391. The next prime is 137469443. The reversal of 137469418 is 814964731.

137469418 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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., 70442449 + 67026969 = 8393^2 + 8187^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34367353 + ... + 34367356.

Almost surely, 2^137469418 is an apocalyptic number.

137469418 is a deficient number, since it is larger than the sum of its proper divisors (68734712).

137469418 is an equidigital number, since it uses as much as digits as its factorization.

137469418 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68734711.

The product of its digits is 145152, while the sum is 43.

The square root of 137469418 is about 11724.7353061807. The cubic root of 137469418 is about 516.1017892054.

The spelling of 137469418 in words is "one hundred thirty-seven million, four hundred sixty-nine thousand, four hundred eighteen".