140102472 has 16 divisors (see below), whose sum is σ = 350256240. Its totient is φ = 46700816.

The previous prime is 140102419. The next prime is 140102477. The reversal of 140102472 is 274201041.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (140102477) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2918778 + ... + 2918825.

It is an arithmetic number, because the mean of its divisors is an integer number (21891015).

Almost surely, 2^140102472 is an apocalyptic number.

140102472 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

140102472 is an abundant number, since it is smaller than the sum of its proper divisors (210153768).

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

140102472 is a wasteful number, since it uses less digits than its factorization.

140102472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5837612 (or 5837608 counting only the distinct ones).

The product of its (nonzero) digits is 448, while the sum is 21.

The square root of 140102472 is about 11836.4890064580. The cubic root of 140102472 is about 519.3760662541.

The spelling of 140102472 in words is "one hundred forty million, one hundred two thousand, four hundred seventy-two".