140674428 has 48 divisors (see below), whose sum is σ = 365414560. Its totient is φ = 46801152.

The previous prime is 140674399. The next prime is 140674433. The reversal of 140674428 is 824476041.

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

It is a junction number, because it is equal to n+sod(n) for n = 140674392 and 140674401.

It is a congruent number.

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, 78276 + ... + 80052.

Almost surely, 2^140674428 is an apocalyptic number.

140674428 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

140674428 is an abundant number, since it is smaller than the sum of its proper divisors (224740132).

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

140674428 is a wasteful number, since it uses less digits than its factorization.

140674428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2523 (or 2515 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 36.

The square root of 140674428 is about 11860.6251100016. The cubic root of 140674428 is about 520.0818756679.

The spelling of 140674428 in words is "one hundred forty million, six hundred seventy-four thousand, four hundred twenty-eight".