140455350 has 192 divisors, whose sum is σ = 449971200. Its totient is φ = 31553280.

The previous prime is 140455331. The next prime is 140455351. The reversal of 140455350 is 53554041.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140455351) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 840967 + ... + 841133.

It is an arithmetic number, because the mean of its divisors is an integer number (2343600).

Almost surely, 2^140455350 is an apocalyptic number.

140455350 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 140455350, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (224985600).

140455350 is an abundant number, since it is smaller than the sum of its proper divisors (309515850).

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

140455350 is a wasteful number, since it uses less digits than its factorization.

140455350 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 284 (or 273 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 27.

The square root of 140455350 is about 11851.3859948953. The cubic root of 140455350 is about 519.8117538530.

The spelling of 140455350 in words is "one hundred forty million, four hundred fifty-five thousand, three hundred fifty".