140408748 has 48 divisors (see below), whose sum is σ = 369169920. Its totient is φ = 46141200.

The previous prime is 140408707. The next prime is 140408789. The reversal of 140408748 is 847804041.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (140408707) and next prime (140408789).

It is a Harshad number since it is a multiple of its sum of digits (36).

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, 1488 + ... + 16823.

It is an arithmetic number, because the mean of its divisors is an integer number (7691040).

Almost surely, 2^140408748 is an apocalyptic number.

140408748 is a gapful number since it is divisible by the number (18) 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 140408748, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (184584960).

140408748 is an abundant number, since it is smaller than the sum of its proper divisors (228761172).

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

140408748 is a wasteful number, since it uses less digits than its factorization.

140408748 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18395 (or 18387 counting only the distinct ones).

The product of its (nonzero) digits is 28672, while the sum is 36.

The square root of 140408748 is about 11849.4197326283. The cubic root of 140408748 is about 519.7542576523.

The spelling of 140408748 in words is "one hundred forty million, four hundred eight thousand, seven hundred forty-eight".