1653400137 has 8 divisors (see below), whose sum is σ = 2246128704. Its totient is φ = 1081469168.

The previous prime is 1653400069. The next prime is 1653400163. The reversal of 1653400137 is 7310043561.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1653400137 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1653400937) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5199213 + ... + 5199530.

It is an arithmetic number, because the mean of its divisors is an integer number (280766088).

Almost surely, 2^1653400137 is an apocalyptic number.

It is an amenable number.

1653400137 is a deficient number, since it is larger than the sum of its proper divisors (592728567).

1653400137 is a wasteful number, since it uses less digits than its factorization.

1653400137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10398799.

The product of its (nonzero) digits is 7560, while the sum is 30.

The square root of 1653400137 is about 40662.0232772547. The cubic root of 1653400137 is about 1182.4768754706.

Adding to 1653400137 its reverse (7310043561), we get a palindrome (8963443698).

The spelling of 1653400137 in words is "one billion, six hundred fifty-three million, four hundred thousand, one hundred thirty-seven".