140426104 has 64 divisors (see below), whose sum is σ = 329011200. Its totient is φ = 54705024.

The previous prime is 140426053. The next prime is 140426129. The reversal of 140426104 is 401624041.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47337 + ... + 50215.

It is an arithmetic number, because the mean of its divisors is an integer number (5140800).

Almost surely, 2^140426104 is an apocalyptic number.

140426104 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 140426104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (164505600).

140426104 is an abundant number, since it is smaller than the sum of its proper divisors (188585096).

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

140426104 is a wasteful number, since it uses less digits than its factorization.

140426104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2972 (or 2968 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 140426104 is about 11850.1520665348. The cubic root of 140426104 is about 519.7756724700.

The spelling of 140426104 in words is "one hundred forty million, four hundred twenty-six thousand, one hundred four".