140204034 has 20 divisors (see below), whose sum is σ = 314161254. Its totient is φ = 46734624.

The previous prime is 140204033. The next prime is 140204039. The reversal of 140204034 is 430402041.

It can be written as a sum of positive squares in only one way, i.e., 137945025 + 2259009 = 11745^2 + 1503^2 .

It is a super-2 number, since 2×140204034² = 39314342299746312, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 140203998 and 140204016.

It is not an unprimeable number, because it can be changed into a prime (140204033) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 432567 + ... + 432890.

Almost surely, 2^140204034 is an apocalyptic number.

140204034 is an abundant number, since it is smaller than the sum of its proper divisors (173957220).

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

140204034 is an equidigital number, since it uses as much as digits as its factorization.

140204034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 865471 (or 865462 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 140204034 is about 11840.7784372481. The cubic root of 140204034 is about 519.5015366338.

Adding to 140204034 its reverse (430402041), we get a palindrome (570606075).

The spelling of 140204034 in words is "one hundred forty million, two hundred four thousand, thirty-four".