140100540 has 24 divisors (see below), whose sum is σ = 392281680. Its totient is φ = 37360128.

The previous prime is 140100533. The next prime is 140100581. The reversal of 140100540 is 45001041.

140100540 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×140100540² = 39256322616583200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

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, 1167445 + ... + 1167564.

It is an arithmetic number, because the mean of its divisors is an integer number (16345070).

Almost surely, 2^140100540 is an apocalyptic number.

140100540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

140100540 is an abundant number, since it is smaller than the sum of its proper divisors (252181140).

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

140100540 is a wasteful number, since it uses less digits than its factorization.

140100540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2335021 (or 2335019 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 15.

The square root of 140100540 is about 11836.4073941378. The cubic root of 140100540 is about 519.3736788606.

Adding to 140100540 its reverse (45001041), we get a palindrome (185101581).

The spelling of 140100540 in words is "one hundred forty million, one hundred thousand, five hundred forty".