1415655140 has 12 divisors (see below), whose sum is σ = 2972875836. Its totient is φ = 566262048.

The previous prime is 1415655089. The next prime is 1415655149. The reversal of 1415655140 is 415565141.

It can be written as a sum of positive squares in 2 ways, for example, as 683195044 + 732460096 = 26138^2 + 27064^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1415655097 and 1415655106.

It is not an unprimeable number, because it can be changed into a prime (1415655149) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35391359 + ... + 35391398.

It is an arithmetic number, because the mean of its divisors is an integer number (247739653).

Almost surely, 2^1415655140 is an apocalyptic number.

1415655140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1415655140 is an abundant number, since it is smaller than the sum of its proper divisors (1557220696).

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

1415655140 is a wasteful number, since it uses less digits than its factorization.

1415655140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70782766 (or 70782764 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 32.

The square root of 1415655140 is about 37625.1928898710. The cubic root of 1415655140 is about 1122.8433124318.

It can be divided in two parts, 14156 and 55140, that added together give a palindrome (69296).

The spelling of 1415655140 in words is "one billion, four hundred fifteen million, six hundred fifty-five thousand, one hundred forty".