140307400 has 48 divisors (see below), whose sum is σ = 343393200. Its totient is φ = 53167680.

The previous prime is 140307329. The next prime is 140307407. The reversal of 140307400 is 4703041.

It is a happy number.

140307400 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is not an unprimeable number, because it can be changed into a prime (140307407) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14662 + ... + 22261.

It is an arithmetic number, because the mean of its divisors is an integer number (7154025).

Almost surely, 2^140307400 is an apocalyptic number.

140307400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

140307400 is an abundant number, since it is smaller than the sum of its proper divisors (203085800).

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

140307400 is a wasteful number, since it uses less digits than its factorization.

140307400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36958 (or 36949 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 19.

The square root of 140307400 is about 11845.1424643184. The cubic root of 140307400 is about 519.6291734859.

The spelling of 140307400 in words is "one hundred forty million, three hundred seven thousand, four hundred".