140100434 has 16 divisors (see below), whose sum is σ = 222789528. Its totient is φ = 65847552.

The previous prime is 140100427. The next prime is 140100449. The reversal of 140100434 is 434001041.

It can be written as a sum of positive squares in 4 ways, for example, as 139169209 + 931225 = 11797^2 + 965^2 .

It is a Harshad number since it is a multiple of its sum of digits (17).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31832 + ... + 35964.

Almost surely, 2^140100434 is an apocalyptic number.

140100434 is a deficient number, since it is larger than the sum of its proper divisors (82689094).

140100434 is a wasteful number, since it uses less digits than its factorization.

140100434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5149.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 140100434 is about 11836.4029164269. The cubic root of 140100434 is about 519.3735478746.

Adding to 140100434 its reverse (434001041), we get a palindrome (574101475).

The spelling of 140100434 in words is "one hundred forty million, one hundred thousand, four hundred thirty-four".