1234525140 has 36 divisors (see below), whose sum is σ = 3744726804. Its totient is φ = 329206656.

The previous prime is 1234525139. The next prime is 1234525169. The reversal of 1234525140 is 415254321.

1234525140 is a `hidden beast` number, since 123 + 4 + 525 + 14 + 0 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 781090704 + 453434436 = 27948^2 + 21294^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3429057 + ... + 3429416.

It is an arithmetic number, because the mean of its divisors is an integer number (104020189).

Almost surely, 2^1234525140 is an apocalyptic number.

1234525140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1234525140 is an abundant number, since it is smaller than the sum of its proper divisors (2510201664).

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

1234525140 is a wasteful number, since it uses less digits than its factorization.

1234525140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6858488 (or 6858483 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 1234525140 is about 35135.8099380105. The cubic root of 1234525140 is about 1072.7535970967.

Adding to 1234525140 its reverse (415254321), we get a palindrome (1649779461).

The spelling of 1234525140 in words is "one billion, two hundred thirty-four million, five hundred twenty-five thousand, one hundred forty".