140134904 has 96 divisors (see below), whose sum is σ = 333532080. Its totient is φ = 54706176.

The previous prime is 140134889. The next prime is 140134919. The reversal of 140134904 is 409431041.

It is an interprime number because it is at equal distance from previous prime (140134889) and next prime (140134919).

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 545144 + ... + 545400.

Almost surely, 2^140134904 is an apocalyptic number.

140134904 is a gapful number since it is divisible by the number (14) 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 140134904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (166766040).

140134904 is an abundant number, since it is smaller than the sum of its proper divisors (193397176).

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

140134904 is a wasteful number, since it uses less digits than its factorization.

140134904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 397 (or 386 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 140134904 is about 11837.8589280326. The cubic root of 140134904 is about 519.4161395537.

Adding to 140134904 its reverse (409431041), we get a palindrome (549565945).

The spelling of 140134904 in words is "one hundred forty million, one hundred thirty-four thousand, nine hundred four".