102135240220340 has 48 divisors (see below), whose sum is σ = 217097271640704. Its totient is φ = 40359320496000.

The previous prime is 102135240220303. The next prime is 102135240220397. The reversal of 102135240220340 is 43022042531201.

It is a super-2 number, since 2×102135240220340² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 92877734 + ... + 93970973.

It is an arithmetic number, because the mean of its divisors is an integer number (4522859825848).

Almost surely, 2^{102135240220340} is an apocalyptic number.

102135240220340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102135240220340 is an abundant number, since it is smaller than the sum of its proper divisors (114962031420364).

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

102135240220340 is a wasteful number, since it uses less digits than its factorization.

102135240220340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186849048 (or 186849046 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 29.

Adding to 102135240220340 its reverse (43022042531201), we get a palindrome (145157282751541).

The spelling of 102135240220340 in words is "one hundred two trillion, one hundred thirty-five billion, two hundred forty million, two hundred twenty thousand, three hundred forty".