61402146 has 16 divisors (see below), whose sum is σ = 132250944. Its totient is φ = 18892944.

The previous prime is 61402139. The next prime is 61402171. The reversal of 61402146 is 64120416.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 393526 + ... + 393681.

It is an arithmetic number, because the mean of its divisors is an integer number (8265684).

Almost surely, 2^61402146 is an apocalyptic number.

61402146 is an abundant number, since it is smaller than the sum of its proper divisors (70848798).

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

61402146 is a wasteful number, since it uses less digits than its factorization.

61402146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 787225.

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 61402146 is about 7835.9521438049. The cubic root of 61402146 is about 394.5128770569.

The spelling of 61402146 in words is "sixty-one million, four hundred two thousand, one hundred forty-six".