140036430 has 16 divisors (see below), whose sum is σ = 336087504. Its totient is φ = 37343040.

The previous prime is 140036417. The next prime is 140036437. The reversal of 140036430 is 34630041.

It is a super-2 number, since 2×140036430² = 39220403454289800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 140036397 and 140036406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140036437) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2333911 + ... + 2333970.

It is an arithmetic number, because the mean of its divisors is an integer number (21005469).

Almost surely, 2^140036430 is an apocalyptic number.

140036430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

140036430 is an abundant number, since it is smaller than the sum of its proper divisors (196051074).

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

140036430 is a wasteful number, since it uses less digits than its factorization.

140036430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4667891.

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 140036430 is about 11833.6989145406. The cubic root of 140036430 is about 519.2944449839.

Adding to 140036430 its reverse (34630041), we get a palindrome (174666471).

The spelling of 140036430 in words is "one hundred forty million, thirty-six thousand, four hundred thirty".