1067400140 has 24 divisors (see below), whose sum is σ = 2266729920. Its totient is φ = 422162048.

The previous prime is 1067400133. The next prime is 1067400149. The reversal of 1067400140 is 410047601.

It is a super-2 number, since 2×1067400140² = 2278686117744039200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1067400149) 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, 298052 + ... + 301611.

It is an arithmetic number, because the mean of its divisors is an integer number (94447080).

Almost surely, 2^1067400140 is an apocalyptic number.

1067400140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1067400140 is an abundant number, since it is smaller than the sum of its proper divisors (1199329780).

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

1067400140 is a wasteful number, since it uses less digits than its factorization.

1067400140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 599761 (or 599759 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 23.

The square root of 1067400140 is about 32671.0902787158. The cubic root of 1067400140 is about 1021.9800510044.

Adding to 1067400140 its reverse (410047601), we get a palindrome (1477447741).

The spelling of 1067400140 in words is "one billion, sixty-seven million, four hundred thousand, one hundred forty".