140043414 has 32 divisors (see below), whose sum is σ = 336948480. Its totient is φ = 37906272.

The previous prime is 140043401. The next prime is 140043427. The reversal of 140043414 is 414340041.

It is an interprime number because it is at equal distance from previous prime (140043401) and next prime (140043427).

It is a super-2 number, since 2×140043414² = 39224315609550792, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

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, 86949 + ... + 88544.

It is an arithmetic number, because the mean of its divisors is an integer number (10529640).

Almost surely, 2^140043414 is an apocalyptic number.

140043414 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

140043414 is an abundant number, since it is smaller than the sum of its proper divisors (196905066).

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

140043414 is a wasteful number, since it uses less digits than its factorization.

140043414 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175524.

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 140043414 is about 11833.9940003365. The cubic root of 140043414 is about 519.3030777188.

Adding to 140043414 its reverse (414340041), we get a palindrome (554383455).

The spelling of 140043414 in words is "one hundred forty million, forty-three thousand, four hundred fourteen".