142011340 has 24 divisors (see below), whose sum is σ = 301820400. Its totient is φ = 56119488.

The previous prime is 142011329. The next prime is 142011349. The reversal of 142011340 is 43110241.

It is not an unprimeable number, because it can be changed into a prime (142011349) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41115 + ... + 44434.

It is an arithmetic number, because the mean of its divisors is an integer number (12575850).

Almost surely, 2^142011340 is an apocalyptic number.

142011340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

142011340 is an abundant number, since it is smaller than the sum of its proper divisors (159809060).

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

142011340 is a wasteful number, since it uses less digits than its factorization.

142011340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85641 (or 85639 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 142011340 is about 11916.8510941440. The cubic root of 142011340 is about 521.7242320404.

Adding to 142011340 its reverse (43110241), we get a palindrome (185121581).

It can be divided in two parts, 14 and 2011340, that multiplied together give a triangular number (28158760 = T₇₅₀₄).

The spelling of 142011340 in words is "one hundred forty-two million, eleven thousand, three hundred forty".