102540140662 has 8 divisors (see below), whose sum is σ = 157387192776. Its totient is φ = 50077743072.

The previous prime is 102540140641. The next prime is 102540140831. The reversal of 102540140662 is 266041045201.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 596163523 + ... + 596163694.

It is an arithmetic number, because the mean of its divisors is an integer number (19673399097).

Almost surely, 2^102540140662 is an apocalyptic number.

102540140662 is a deficient number, since it is larger than the sum of its proper divisors (54847052114).

102540140662 is a wasteful number, since it uses less digits than its factorization.

102540140662 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1192327262.

The product of its (nonzero) digits is 11520, while the sum is 31.

Adding to 102540140662 its reverse (266041045201), we get a palindrome (368581185863).

The spelling of 102540140662 in words is "one hundred two billion, five hundred forty million, one hundred forty thousand, six hundred sixty-two".