1430001340 has 24 divisors (see below), whose sum is σ = 3003975072. Its totient is φ = 571815360.

The previous prime is 1430001337. The next prime is 1430001343. The reversal of 1430001340 is 431000341.

It is an interprime number because it is at equal distance from previous prime (1430001337) and next prime (1430001343).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1430001343) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63682 + ... + 83158.

It is an arithmetic number, because the mean of its divisors is an integer number (125165628).

Almost surely, 2^1430001340 is an apocalyptic number.

1430001340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1430001340 is an abundant number, since it is smaller than the sum of its proper divisors (1573973732).

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

1430001340 is a wasteful number, since it uses less digits than its factorization.

1430001340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23157 (or 23155 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 1430001340 is about 37815.3585200511. The cubic root of 1430001340 is about 1126.6235232401.

Adding to 1430001340 its reverse (431000341), we get a palindrome (1861001681).

Subtracting from 1430001340 its reverse (431000341), we obtain a palindrome (999000999).

It can be divided in two parts, 1430001 and 340, that added together give a palindrome (1430341).

The spelling of 1430001340 in words is "one billion, four hundred thirty million, one thousand, three hundred forty".