140623900 has 36 divisors (see below), whose sum is σ = 315682920. Its totient is φ = 54308800.

The previous prime is 140623897. The next prime is 140623913. The reversal of 140623900 is 9326041.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21346 + ... + 27145.

It is an arithmetic number, because the mean of its divisors is an integer number (8768970).

Almost surely, 2^140623900 is an apocalyptic number.

140623900 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

140623900 is an abundant number, since it is smaller than the sum of its proper divisors (175059020).

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

140623900 is a wasteful number, since it uses less digits than its factorization.

140623900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48534 (or 48527 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 140623900 is about 11858.4948454684. The cubic root of 140623900 is about 520.0195998529.

Adding to 140623900 its reverse (9326041), we get a palindrome (149949941).

The spelling of 140623900 in words is "one hundred forty million, six hundred twenty-three thousand, nine hundred".