1138014836 has 48 divisors (see below), whose sum is σ = 2354257920. Its totient is φ = 471022560.

The previous prime is 1138014821. The next prime is 1138014851. The reversal of 1138014836 is 6384108311.

It is an interprime number because it is at equal distance from previous prime (1138014821) and next prime (1138014851).

It is a super-2 number, since 2×1138014836² = 2590155533912213792, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1138014796 and 1138014805.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 557105 + ... + 559143.

It is an arithmetic number, because the mean of its divisors is an integer number (49047040).

Almost surely, 2^1138014836 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1138014836, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1177128960).

1138014836 is an abundant number, since it is smaller than the sum of its proper divisors (1216243084).

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

1138014836 is a wasteful number, since it uses less digits than its factorization.

1138014836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2724 (or 2722 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 35.

The square root of 1138014836 is about 33734.4754813233. The cubic root of 1138014836 is about 1044.0372033052.

The spelling of 1138014836 in words is "one billion, one hundred thirty-eight million, fourteen thousand, eight hundred thirty-six".