140738620 has 48 divisors (see below), whose sum is σ = 325432800. Its totient is φ = 50699520.

The previous prime is 140738603. The next prime is 140738621. The reversal of 140738620 is 26837041.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140738621) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21046 + ... + 26914.

It is an arithmetic number, because the mean of its divisors is an integer number (6779850).

Almost surely, 2^140738620 is an apocalyptic number.

140738620 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 140738620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (162716400).

140738620 is an abundant number, since it is smaller than the sum of its proper divisors (184694180).

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

140738620 is a wasteful number, since it uses less digits than its factorization.

140738620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5998 (or 5996 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 31.

The square root of 140738620 is about 11863.3308981921. The cubic root of 140738620 is about 520.1609708749.

The spelling of 140738620 in words is "one hundred forty million, seven hundred thirty-eight thousand, six hundred twenty".