140707128 has 32 divisors (see below), whose sum is σ = 353811600. Its totient is φ = 46629888.

The previous prime is 140707117. The next prime is 140707139. The reversal of 140707128 is 821707041.

It is an interprime number because it is at equal distance from previous prime (140707117) and next prime (140707139).

It is a junction number, because it is equal to n+sod(n) for n = 140707095 and 140707104.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12793 + ... + 21096.

Almost surely, 2^140707128 is an apocalyptic number.

It is an amenable number.

140707128 is an abundant number, since it is smaller than the sum of its proper divisors (213104472).

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

140707128 is a wasteful number, since it uses less digits than its factorization.

140707128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34071 (or 34067 counting only the distinct ones).

The product of its (nonzero) digits is 3136, while the sum is 30.

The square root of 140707128 is about 11862.0035407177. The cubic root of 140707128 is about 520.1221705057.

The spelling of 140707128 in words is "one hundred forty million, seven hundred seven thousand, one hundred twenty-eight".