1138413630 has 16 divisors (see below), whose sum is σ = 2732192784. Its totient is φ = 303576960.

The previous prime is 1138413623. The next prime is 1138413677. The reversal of 1138413630 is 363148311.

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 37947121 = 1138413630 / (1 + 1 + 3 + 8 + 4 + 1 + 3 + 6 + 3 + 0).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18973531 + ... + 18973590.

It is an arithmetic number, because the mean of its divisors is an integer number (170762049).

Almost surely, 2^1138413630 is an apocalyptic number.

1138413630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1138413630 is an abundant number, since it is smaller than the sum of its proper divisors (1593779154).

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

1138413630 is a wasteful number, since it uses less digits than its factorization.

1138413630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37947131.

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 1138413630 is about 33740.3857417191. The cubic root of 1138413630 is about 1044.1591428835.

The spelling of 1138413630 in words is "one billion, one hundred thirty-eight million, four hundred thirteen thousand, six hundred thirty".