1402134240 has 192 divisors, whose sum is σ = 4885828416. Its totient is φ = 335757312.

The previous prime is 1402134197. The next prime is 1402134263. The reversal of 1402134240 is 424312041.

1402134240 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

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, 227844 + ... + 233916.

It is an arithmetic number, because the mean of its divisors is an integer number (25447023).

Almost surely, 2^1402134240 is an apocalyptic number.

1402134240 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 1402134240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2442914208).

1402134240 is an abundant number, since it is smaller than the sum of its proper divisors (3483694176).

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

1402134240 is a wasteful number, since it uses less digits than its factorization.

1402134240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6141 (or 6133 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 1402134240 is about 37445.0829882910. The cubic root of 1402134240 is about 1119.2571179087.

Adding to 1402134240 its reverse (424312041), we get a palindrome (1826446281).

It can be divided in two parts, 140213 and 4240, that added together give a triangular number (144453 = T₅₃₇).

The spelling of 1402134240 in words is "one billion, four hundred two million, one hundred thirty-four thousand, two hundred forty".