140361540 has 48 divisors (see below), whose sum is σ = 428742720. Its totient is φ = 34026880.

The previous prime is 140361539. The next prime is 140361547. The reversal of 140361540 is 45163041.

It is a super-2 number, since 2×140361540² = 39402723822343200, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 140361540.

It is not an unprimeable number, because it can be changed into a prime (140361547) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 105675 + ... + 106994.

It is an arithmetic number, because the mean of its divisors is an integer number (8932140).

Almost surely, 2^140361540 is an apocalyptic number.

140361540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

140361540 is an abundant number, since it is smaller than the sum of its proper divisors (288381180).

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

140361540 is a wasteful number, since it uses less digits than its factorization.

140361540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212692 (or 212690 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 140361540 is about 11847.4275688860. The cubic root of 140361540 is about 519.6960008135.

It can be divided in two parts, 14036 and 1540, that added together give a triangular number (15576 = T₁₇₆).

The spelling of 140361540 in words is "one hundred forty million, three hundred sixty-one thousand, five hundred forty".