140777400 has 48 divisors (see below), whose sum is σ = 436411800. Its totient is φ = 37540480.

The previous prime is 140777389. The next prime is 140777419. The reversal of 140777400 is 4777041.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 116715 + ... + 117914.

Almost surely, 2^140777400 is an apocalyptic number.

140777400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

140777400 is an abundant number, since it is smaller than the sum of its proper divisors (295634400).

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

140777400 is a wasteful number, since it uses less digits than its factorization.

140777400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 234648 (or 234639 counting only the distinct ones).

The product of its (nonzero) digits is 5488, while the sum is 30.

The square root of 140777400 is about 11864.9652338302. The cubic root of 140777400 is about 520.2087426236.

The spelling of 140777400 in words is "one hundred forty million, seven hundred seventy-seven thousand, four hundred".