140037380 has 48 divisors (see below), whose sum is σ = 337913856. Its totient is φ = 47752320.

The previous prime is 140037377. The next prime is 140037389. The reversal of 140037380 is 83730041.

It is a super-2 number, since 2×140037380² = 39220935594528800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (140037389) 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, 24122 + ... + 29358.

It is an arithmetic number, because the mean of its divisors is an integer number (7039872).

Almost surely, 2^140037380 is an apocalyptic number.

140037380 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 140037380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (168956928).

140037380 is an abundant number, since it is smaller than the sum of its proper divisors (197876476).

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

140037380 is a wasteful number, since it uses less digits than its factorization.

140037380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5444 (or 5442 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 140037380 is about 11833.7390540775. The cubic root of 140037380 is about 519.2956192703.

The spelling of 140037380 in words is "one hundred forty million, thirty-seven thousand, three hundred eighty".