1434637140 has 96 divisors (see below), whose sum is σ = 4260936960. Its totient is φ = 359417856.

The previous prime is 1434637117. The next prime is 1434637151. The reversal of 1434637140 is 417364341.

It is a congruent 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, 838606 + ... + 840314.

It is an arithmetic number, because the mean of its divisors is an integer number (44384760).

Almost surely, 2^1434637140 is an apocalyptic number.

1434637140 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 1434637140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2130468480).

1434637140 is an abundant number, since it is smaller than the sum of its proper divisors (2826299820).

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

1434637140 is a wasteful number, since it uses less digits than its factorization.

1434637140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2561 (or 2559 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 33.

The square root of 1434637140 is about 37876.6041244460. The cubic root of 1434637140 is about 1127.8396451043.

The spelling of 1434637140 in words is "one billion, four hundred thirty-four million, six hundred thirty-seven thousand, one hundred forty".