1405655130 has 64 divisors (see below), whose sum is σ = 3718286208. Its totient is φ = 337244160.

The previous prime is 1405655107. The next prime is 1405655213. The reversal of 1405655130 is 315565041.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10054 + ... + 53966.

It is an arithmetic number, because the mean of its divisors is an integer number (58098222).

Almost surely, 2^1405655130 is an apocalyptic number.

1405655130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1405655130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1859143104).

1405655130 is an abundant number, since it is smaller than the sum of its proper divisors (2312631078).

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

1405655130 is a wasteful number, since it uses less digits than its factorization.

1405655130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44031.

The product of its (nonzero) digits is 9000, while the sum is 30.

The square root of 1405655130 is about 37492.0675610188. The cubic root of 1405655130 is about 1120.1931878700.

The spelling of 1405655130 in words is "one billion, four hundred five million, six hundred fifty-five thousand, one hundred thirty".