1234154340 has 96 divisors (see below), whose sum is σ = 3845640960. Its totient is φ = 328589568.

The previous prime is 1234154303. The next prime is 1234154347. The reversal of 1234154340 is 434514321.

It is a happy number.

1234154340 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (1234154347) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 443032 + ... + 445808.

It is an arithmetic number, because the mean of its divisors is an integer number (40058760).

Almost surely, 2^1234154340 is an apocalyptic number.

1234154340 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 1234154340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1922820480).

1234154340 is an abundant number, since it is smaller than the sum of its proper divisors (2611486620).

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

1234154340 is a wasteful number, since it uses less digits than its factorization.

1234154340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3618 (or 3610 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 1234154340 is about 35130.5328738407. The cubic root of 1234154340 is about 1072.6461828225.

Adding to 1234154340 its reverse (434514321), we get a palindrome (1668668661).

The spelling of 1234154340 in words is "one billion, two hundred thirty-four million, one hundred fifty-four thousand, three hundred forty".