140378900 has 18 divisors (see below), whose sum is σ = 304622430. Its totient is φ = 56151520.

The previous prime is 140378863. The next prime is 140378939. The reversal of 140378900 is 9873041.

It can be written as a sum of positive squares in 3 ways, for example, as 1044484 + 139334416 = 1022^2 + 11804^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 701795 + ... + 701994.

Almost surely, 2^140378900 is an apocalyptic number.

140378900 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

140378900 is an abundant number, since it is smaller than the sum of its proper divisors (164243530).

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

140378900 is a wasteful number, since it uses less digits than its factorization.

140378900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1403803 (or 1403796 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 32.

The square root of 140378900 is about 11848.1601947307. The cubic root of 140378900 is about 519.7174253686.

The spelling of 140378900 in words is "one hundred forty million, three hundred seventy-eight thousand, nine hundred".