1487227140 has 288 divisors, whose sum is σ = 5322670080. Its totient is φ = 329142528.

The previous prime is 1487227103. The next prime is 1487227141. The reversal of 1487227140 is 417227841.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 1487227095 and 1487227104.

It is not an unprimeable number, because it can be changed into a prime (1487227141) by changing a digit.

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 in 95 ways as a sum of consecutive naturals, for example, 6669069 + ... + 6669291.

Almost surely, 2^1487227140 is an apocalyptic number.

1487227140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1487227140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2661335040).

1487227140 is an abundant number, since it is smaller than the sum of its proper divisors (3835442940).

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

1487227140 is a wasteful number, since it uses less digits than its factorization.

1487227140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 391 (or 386 counting only the distinct ones).

The product of its (nonzero) digits is 25088, while the sum is 36.

The square root of 1487227140 is about 38564.5840117588. The cubic root of 1487227140 is about 1141.4558040128.

The spelling of 1487227140 in words is "one billion, four hundred eighty-seven million, two hundred twenty-seven thousand, one hundred forty".