3745138 has 4 divisors (see below), whose sum is σ = 5617710. Its totient is φ = 1872568.

The previous prime is 3745129. The next prime is 3745163. The reversal of 3745138 is 8315473.

3745138 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, and also an emirpimes, since its reverse is a distinct semiprime: 8315473 = 571 ⋅14563.

It can be written as a sum of positive squares in only one way, i.e., 3736489 + 8649 = 1933^2 + 93^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 936283 + ... + 936286.

Almost surely, 2^3745138 is an apocalyptic number.

3745138 is a deficient number, since it is larger than the sum of its proper divisors (1872572).

3745138 is a wasteful number, since it uses less digits than its factorization.

3745138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1872571.

The product of its digits is 10080, while the sum is 31.

The square root of 3745138 is about 1935.2359029328. The cubic root of 3745138 is about 155.2944524167.

It can be divided in two parts, 3745 and 138, that added together give a palindrome (3883).

The spelling of 3745138 in words is "three million, seven hundred forty-five thousand, one hundred thirty-eight".