3542631138 has 18 divisors (see below), whose sum is σ = 7676247969. Its totient is φ = 1180792872.

The previous prime is 3542631121. The next prime is 3542631163. The reversal of 3542631138 is 8311362453.

3542631138 is a `hidden beast` number, since 3 + 5 + 4 + 2 + 631 + 13 + 8 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 2312936649 + 1229694489 = 48093^2 + 35067^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=42087.

It is a super-3 number, since 3×3542631138³ (a number of 30 digits) contains 333 as substring.

It is an unprimeable number.

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 in 8 ways as a sum of consecutive naturals, for example, 245508 + ... + 259536.

Almost surely, 2^3542631138 is an apocalyptic number.

3542631138 is an abundant number, since it is smaller than the sum of its proper divisors (4133616831).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3542631138 is an frugal number, since it uses more digits than its factorization.

3542631138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28066 (or 14034 counting only the distinct ones).

The product of its digits is 51840, while the sum is 36.

The square root of 3542631138 is about 59520.0061995965. The cubic root of 3542631138 is about 1524.4340658093.

It can be divided in two parts, 35426 and 31138, that added together give a square (66564 = 258²).

The spelling of 3542631138 in words is "three billion, five hundred forty-two million, six hundred thirty-one thousand, one hundred thirty-eight".