140154216 has 64 divisors (see below), whose sum is σ = 367200000. Its totient is φ = 44518656.

The previous prime is 140154197. The next prime is 140154227. The reversal of 140154216 is 612451041.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

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, 53710 + ... + 56258.

It is an arithmetic number, because the mean of its divisors is an integer number (5737500).

Almost surely, 2^140154216 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 140154216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (183600000).

140154216 is an abundant number, since it is smaller than the sum of its proper divisors (227045784).

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

140154216 is a wasteful number, since it uses less digits than its factorization.

140154216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2666 (or 2662 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 24.

The square root of 140154216 is about 11838.6745879765. The cubic root of 140154216 is about 519.4399987147.

The spelling of 140154216 in words is "one hundred forty million, one hundred fifty-four thousand, two hundred sixteen".