140400601 has 8 divisors (see below), whose sum is σ = 153631008. Its totient is φ = 127248000.

The previous prime is 140400593. The next prime is 140400649. The reversal of 140400601 is 106004041.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 140400601 - 2³ = 140400593 is a prime.

It is a super-2 number, since 2×140400601² = 39424657522322402, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140400661) 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, 15640 + ... + 22921.

It is an arithmetic number, because the mean of its divisors is an integer number (19203876).

Almost surely, 2^140400601 is an apocalyptic number.

140400601 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

140400601 is a deficient number, since it is larger than the sum of its proper divisors (13230407).

140400601 is a wasteful number, since it uses less digits than its factorization.

140400601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38903.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 140400601 is about 11849.0759555334. The cubic root of 140400601 is about 519.7442048127.

Adding to 140400601 its reverse (106004041), we get a palindrome (246404642).

The spelling of 140400601 in words is "one hundred forty million, four hundred thousand, six hundred one".