140401296 has 160 divisors (see below), whose sum is σ = 476755200. Its totient is φ = 38707200.

The previous prime is 140401291. The next prime is 140401301. The reversal of 140401296 is 692104041.

It is an interprime number because it is at equal distance from previous prime (140401291) and next prime (140401301).

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

It is not an unprimeable number, because it can be changed into a prime (140401291) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 86896 + ... + 88496.

It is an arithmetic number, because the mean of its divisors is an integer number (2979720).

Almost surely, 2^140401296 is an apocalyptic number.

140401296 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 140401296, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (238377600).

140401296 is an abundant number, since it is smaller than the sum of its proper divisors (336353904).

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

140401296 is a wasteful number, since it uses less digits than its factorization.

140401296 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1654 (or 1642 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 140401296 is about 11849.1052826785. The cubic root of 140401296 is about 519.7450624103.

The spelling of 140401296 in words is "one hundred forty million, four hundred one thousand, two hundred ninety-six".