1047588138 has 24 divisors (see below), whose sum is σ = 2281188000. Its totient is φ = 347440104.

The previous prime is 1047588131. The next prime is 1047588149. The reversal of 1047588138 is 8318857401.

It is a happy number.

1047588138 is a `hidden beast` number, since 10 + 47 + 588 + 13 + 8 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 1047588093 and 1047588102.

It is not an unprimeable number, because it can be changed into a prime (1047588131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 142648 + ... + 149811.

It is an arithmetic number, because the mean of its divisors is an integer number (95049500).

Almost surely, 2^1047588138 is an apocalyptic number.

1047588138 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

1047588138 is an abundant number, since it is smaller than the sum of its proper divisors (1233599862).

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

1047588138 is a wasteful number, since it uses less digits than its factorization.

1047588138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 292666 (or 292663 counting only the distinct ones).

The product of its (nonzero) digits is 215040, while the sum is 45.

The square root of 1047588138 is about 32366.4662575327. The cubic root of 1047588138 is about 1015.6175355071.

It can be divided in two parts, 104758 and 8138, that added together give a square (112896 = 336²).

The spelling of 1047588138 in words is "one billion, forty-seven million, five hundred eighty-eight thousand, one hundred thirty-eight".