140155131124402 has 32 divisors (see below), whose sum is σ = 225654020595504. Its totient is φ = 65050304256000.

The previous prime is 140155131124381. The next prime is 140155131124403. The reversal of 140155131124402 is 204421131551041.

It can be written as a sum of positive squares in 8 ways, for example, as 110656535074281 + 29498596050121 = 10519341^2 + 5431261^2 .

It is a Harshad number since it is a multiple of its sum of digits (34).

It is not an unprimeable number, because it can be changed into a prime (140155131124403) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 106721152 + ... + 108026452.

Almost surely, 2^{140155131124402} is an apocalyptic number.

140155131124402 is a deficient number, since it is larger than the sum of its proper divisors (85498889471102).

140155131124402 is a wasteful number, since it uses less digits than its factorization.

140155131124402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1348654.

The product of its (nonzero) digits is 19200, while the sum is 34.

Adding to 140155131124402 its reverse (204421131551041), we get a palindrome (344576262675443).

The spelling of 140155131124402 in words is "one hundred forty trillion, one hundred fifty-five billion, one hundred thirty-one million, one hundred twenty-four thousand, four hundred two".