140713020 has 144 divisors (see below), whose sum is σ = 491295168. Its totient is φ = 31933440.

The previous prime is 140713009. The next prime is 140713021. The reversal of 140713020 is 20317041.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 140712984 and 140713002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140713021) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 227752 + ... + 228368.

It is an arithmetic number, because the mean of its divisors is an integer number (3411772).

Almost surely, 2^140713020 is an apocalyptic number.

140713020 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 140713020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (245647584).

140713020 is an abundant number, since it is smaller than the sum of its proper divisors (350582148).

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

140713020 is a wasteful number, since it uses less digits than its factorization.

140713020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 820 (or 815 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 18.

The square root of 140713020 is about 11862.2518941388. The cubic root of 140713020 is about 520.1294303062.

The spelling of 140713020 in words is "one hundred forty million, seven hundred thirteen thousand, twenty".