1401560142 has 32 divisors (see below), whose sum is σ = 2862382752. Its totient is φ = 457403904.

The previous prime is 1401560141. The next prime is 1401560159. The reversal of 1401560142 is 2410651041.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1401560141) 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, 48328 + ... + 71684.

It is an arithmetic number, because the mean of its divisors is an integer number (89449461).

Almost surely, 2^1401560142 is an apocalyptic number.

1401560142 is an abundant number, since it is smaller than the sum of its proper divisors (1460822610).

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

1401560142 is a wasteful number, since it uses less digits than its factorization.

1401560142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23572.

The product of its (nonzero) digits is 960, while the sum is 24.

The square root of 1401560142 is about 37437.4163371352. The cubic root of 1401560142 is about 1119.1043386734.

The spelling of 1401560142 in words is "one billion, four hundred one million, five hundred sixty thousand, one hundred forty-two".