141653640 has 32 divisors (see below), whose sum is σ = 424961280. Its totient is φ = 37774272.

The previous prime is 141653621. The next prime is 141653657. The reversal of 141653640 is 46356141.

141653640 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 141653598 and 141653607.

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, 590104 + ... + 590343.

It is an arithmetic number, because the mean of its divisors is an integer number (13280040).

Almost surely, 2^141653640 is an apocalyptic number.

141653640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

141653640 is an abundant number, since it is smaller than the sum of its proper divisors (283307640).

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

141653640 is a wasteful number, since it uses less digits than its factorization.

141653640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1180461 (or 1180457 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 141653640 is about 11901.8334722008. The cubic root of 141653640 is about 521.2858218284.

The spelling of 141653640 in words is "one hundred forty-one million, six hundred fifty-three thousand, six hundred forty".